This TOEFL vocabulary list has 4500 words. It is particularly useful when test day is coming, and you are planning to review TOEFL words in a short time frame.
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TOEFL 4500 - Set 6
(300 words)| Word | POS | Definition |
|---|---|---|
hurdle | noun | An obstacle or difficulty |
hurl | verb | To throw something with force |
hurricane | noun | A large, powerful storm with strong winds |
husbandry | noun | The care, cultivation, and breeding of crops and animals |
hustle | verb | To move quickly and energetically |
hybrid | noun | A combination of two different elements, often referring to plants or animals that result from crossbreeding. |
hygiene | noun | Practices to maintain health and prevent disease |
hypothesis | noun | An idea or explanation for something that is based on known facts but has not yet been proved |
iceberg | noun | A large floating mass of ice detached from a glacier or ice sheet |
identical | adj. | Exactly the same, alike in every way |
identify | verb | To recognize or be able to name someone or something |
ideology | noun | A system of ideas and ideals, especially one that forms the basis of economic or political theory and policy. |
idiocy | noun | Extremely foolish behavior or actions |
idiosyncrasy | noun | A distinctive or peculiar feature or characteristic of a person or thing |
idiot | noun | A person lacking intelligence or common sense |
idiotic | adj. | Extremely foolish or stupid |
idol | noun | A person who is greatly admired or loved |
idyllic | adj. | Extremely happy, peaceful, or picturesque |
ignite | verb | To catch fire or cause to catch fire |
ignoble | adj. | Lacking honor or integrity |
ignominious | adj. | Deserving or causing public disgrace or shame |
ignorance | noun | Lack of knowledge or awareness |
ignorant | adj. | Lacking knowledge or awareness |
ignore | verb | To refuse to notice or acknowledge |
illegible | adj. | Not clear enough to be read |
illegitimate | adj. | Not authorized by law; illegal. |
illicit | adj. | Not allowed by law or rules |
illuminate | verb | To light up |
illusion | noun | A false perception or belief |
illustrate | verb | To provide visual features or images |
illustrious | adj. | Well-known and respected for past achievements |
imaginary | adj. | Existing only in the mind; not real |
imaginative | adj. | Having creativity or originality |
imbibe | verb | To drink, especially alcohol. |
imbue | verb | To fill or inspire with a feeling or quality |
imitate | verb | To copy or mimic the actions, appearance, or speech of someone or something. |
immediate | adj. | Happening or done without delay |
immense | adj. | Extremely large or great in scale or degree |
immerse | verb | To dip or submerge in a liquid |
immigrate | verb | To come to live permanently in a foreign country |
imminent | adj. | About to happen soon |
immobile | adj. | Not moving or unable to move |
immortal | adj. | Living forever; never dying |
immune | adj. | Resistant to a particular infection or toxin |
impact | noun | The strong effect or influence that something has on a situation or person |
impair | verb | To weaken or damage something |
impale | verb | To pierce with a sharp object |
impart | verb | To give or bestow information or knowledge |
impartial | adj. | Not favoring one side or opinion over another; fair |
impassioned | adj. | Filled with intense emotion |
impassive | adj. | Not showing emotion |
impatient | adj. | Having a lack of patience and unable to wait calmly |
impeach | verb | To charge with misconduct |
impeccable | adj. | Flawless or perfect |
impel | verb | To drive or urge someone to do something |
imperative | adj. | Absolutely necessary or required |
impertinent | adj. | Rude or disrespectful |
impervious | adj. | Not allowing fluid to pass through |
impetuous | adj. | Acting quickly and without thought or care |
impetus | noun | A force that makes something happen or happen more quickly |
implement | verb | To put into effect or action |
implicate | verb | To show someone is involved in a crime or wrongdoing |
implicit | adj. | Suggested or understood without being directly stated |
imposing | adj. | Impressive in appearance or size |
impotence | noun | Inability to achieve or maintain an erection |
impressionism | noun | A 19th-century art movement characterized by small, thin brush strokes and emphasis on light and its changing qualities. |
impressively | adv. | In a way that evokes admiration or respect |
imprisonment | noun | The state of being confined in prison |
impromptu | adj. | Done without being planned or rehearsed |
impropriety | noun | Behavior that is not appropriate or acceptable |
improvident | adj. | Lacking foresight or not planning for the future |
improvise | verb | To create or perform something spontaneously or without preparation. |
imprudent | adj. | Not showing care for the consequences of an action |
impudent | adj. | Showing a lack of respect and excessive boldness |
impulse | noun | A sudden strong desire to act |
impulsive | adj. | Acting without forethought |
impunity | noun | Exemption from punishment or harm |
impure | adj. | Mixed with foreign or unwanted substances |
impurity | noun | Something that is harmful or dirty |
impute | verb | To assign blame or responsibility |
inaugurate | verb | To formally begin or introduce something, especially with a ceremony |
inborn | adj. | Existing from birth |
incapacitate | verb | To make someone unable to perform a task or function |
incense | noun | A substance that is burned for its fragrant smell |
incentive | noun | Something that motivates or encourages someone to do something |
incessant | adj. | Continuing without stopping |
incipient | adj. | Beginning to develop or exist |
incisive | adj. | Clear and direct in expression or thought |
incite | verb | To encourage or stir up |
inclined | adj. | Having a tendency or preference |
incoherent | adj. | Not clear or understandable |
incompatible | adj. | Unable to exist or work together without conflict |
incompetent | adj. | Lacking the necessary ability, skill, or competence to do something successfully. |
inconceivable | adj. | Impossible to imagine or believe |
incongruity | noun | The state of being out of place or not in harmony with the surroundings. |
incongruous | adj. | Not in harmony or keeping with the surroundings or other aspects. |
incorruptible | adj. | Incapable of being morally corrupted |
incredible | adj. | Hard to believe; extraordinary |
incredulity | noun | The state of being unwilling or unable to believe something |
incriminate | verb | To accuse someone of a crime or wrongdoing |
incur | verb | To bring upon oneself |
indecent | adj. | Not conforming to generally accepted standards of behavior or propriety |
indefatigable | adj. | Persisting tirelessly |
indefinite | adj. | Not having clear limits or boundaries |
indemnity | noun | Compensation for loss or damage |
indent | verb | To make a space or tab at the beginning of a line of text |
indicate | verb | To point out or show |
indictment | noun | A formal charge or accusation of a serious crime |
indifferent | adj. | Having no particular interest or sympathy; unconcerned. |
indigenous | adj. | Originating or occurring naturally in a particular place |
indigent | adj. | Lacking money or resources |
indignant | adj. | Feeling or showing anger or annoyance at what is perceived as unfair treatment |
indignity | noun | Treatment that causes one to feel shame or loss of dignity |
indolent | adj. | Wanting to avoid activity or exertion |
indomitable | adj. | Impossible to defeat or subdue |
induce | verb | To cause something to happen |
industrial | adj. | Related to industry or manufacturing |
industrious | adj. | Diligent and hard-working |
ineligible | adj. | Not qualified or suitable to participate or be chosen. |
inept | adj. | Having or showing no skill |
inert | adj. | Lacking the ability or strength to move |
inertia | noun | A tendency to do nothing or remain unchanged |
inevitable | adj. | Certain to happen; unavoidable |
infallible | adj. | Incapable of making mistakes or being wrong |
infamous | adj. | Well-known for a bad quality or deed |
infect | verb | To contaminate with a disease-causing organism |
infectious | adj. | Capable of being spread to others |
infer | verb | To conclude by reasoning from evidence or premises |
inferior | adj. | Of lower quality or value |
inflation | noun | A general increase in prices and fall in the purchasing value of money |
inflexible | adj. | Unwilling to change or adapt |
inflict | verb | To cause pain, injury, or damage |
influential | adj. | Having the power to affect others' actions, beliefs, or decisions |
influx | noun | A large arrival or entry of people or things |
informal | adj. | Casual and relaxed |
infringe | verb | To violate or break a rule or law |
infuse | verb | To fill or soak with a quality or element |
ingenious | adj. | Clever and inventive |
inhabit | verb | To live in or occupy a place |
inhabitant | noun | A person or animal that lives in a place |
inherent | adj. | Existing as a natural and essential part of something |
initial | adj. | Existing or occurring at the beginning |
initiate | verb | To start or begin something |
inject | verb | To introduce a substance into something, usually using a syringe |
injure | verb | To cause physical harm or damage to someone or something |
injurious | adj. | Causing harm or damage |
innate | adj. | Inborn; natural |
innocent | adj. | Not guilty of a crime or offense |
innovation | noun | The introduction of something new or a new idea, method, or device |
innumerable | adj. | Too many to be counted |
inordinate | adj. | Exceeding reasonable limits; excessive |
inquiry | noun | An act of asking for information |
inquisitive | adj. | Having a strong desire to learn or know more |
insane | adj. | Mentally ill |
insert | verb | To put or fit something into something else |
insinuate | verb | To suggest or hint at something indirectly |
insist | verb | To demand something forcefully, not accepting refusal |
insolent | adj. | Showing a rude and arrogant lack of respect |
inspect | verb | To look at something carefully to learn more about it |
install | verb | To put in place or set up for use |
instantaneous | adj. | Happening or done immediately |
instigate | verb | To provoke or stir up |
instill | verb | To gradually introduce or implant an idea or feeling |
instinctive | adj. | Done automatically without conscious thought |
institute | noun | An organization created for a specific purpose, often educational or research-based |
instruct | verb | To teach or educate |
instrument | noun | A tool or device used for a particular task, especially for precision work or scientific measurements |
insufferable | adj. | Too extreme to bear |
insular | adj. | Having a narrow or isolated viewpoint |
insult | verb | To speak or treat with disrespect |
integral | adj. | Essential or necessary for completeness |
integrate | verb | To combine one thing with another so that they become a whole |
integrity | noun | The quality of being honest and having strong moral principles |
intellectual | adj. | Relating to the ability to think and understand complex ideas |
intelligence | noun | The ability to learn, understand, and apply knowledge |
intelligent | adj. | Having or showing intelligence, especially of a high level. |
intelligible | adj. | Able to be understood |
intense | adj. | Having a very strong effect or felt very strongly |
intensify | verb | To become stronger or more extreme |
intensive | adj. | Involving a lot of effort, energy, or attention |
intercede | verb | To intervene on behalf of another |
intercept | verb | To stop, seize, or interrupt (something or someone) before arrival |
interfere | verb | To get involved in something without invitation, often causing disruption |
interior | noun | The inside part of something |
interject | verb | To insert a comment or remark abruptly in a conversation |
interlude | noun | A break or pause between events |
intermediary | noun | A person or thing that acts as a link between parties to facilitate communication or agreement. |
intermediate | adj. | Middle level or stage between two extremes |
internal | adj. | Located or happening inside something |
interrogate | verb | To ask questions thoroughly and formally, often in a forceful way |
interrupt | verb | To stop something from continuing |
intersect | verb | To cross or meet at a point |
intervene | verb | To get involved in a situation to change what is happening |
intimacy | noun | Close familiarity or friendship |
intimate | adj. | Closely acquainted or familiar |
intimidate | verb | To frighten or make someone feel afraid, nervous or less confident |
intoxicate | verb | To make someone drunk |
intrepid | adj. | Fearless and adventurous |
intricate | adj. | Very detailed and complicated |
intrinsic | adj. | Belonging naturally; essential |
intrude | verb | To enter without permission or welcome |
intuition | noun | The ability to understand something immediately, without the need for conscious reasoning |
inure | verb | To become accustomed to something, especially something unpleasant |
invade | verb | To enter forcefully as an enemy; to go into with hostile intent |
invalid | adj. | Not legally or officially acceptable |
invalidate | verb | To make something not valid or effective |
invaluable | adj. | Extremely useful; indispensable |
inventory | noun | A complete list of items such as goods in stock |
inverse | adj. | Opposite in nature or effect |
invert | verb | To turn something upside down or inside out |
investigate | verb | To carry out a systematic or formal inquiry to discover and examine the facts of an issue or case |
inviting | adj. | Appealing or attractive |
invocation | noun | The act of calling upon a higher power for assistance |
invoke | verb | To call upon a higher power for help or support |
irreconcilable | adj. | Impossible to bring into harmony or agreement |
irrelevant | adj. | Not related or pertinent to the matter at hand |
irrepressible | adj. | Unable to be controlled or restrained |
irreproachable | adj. | Beyond criticism; faultless |
irresistible | adj. | Too attractive or tempting to be resisted |
irresolute | adj. | Uncertain in decision-making |
irreverent | adj. | Showing a lack of respect for things that are generally taken seriously |
irrevocable | adj. | Impossible to change or reverse |
irrigate | verb | To supply water to land or crops to help growth, typically by means of channels. |
irritable | adj. | Easily annoyed or angered |
irritate | verb | To cause annoyance or discomfort |
isolate | verb | To set apart or cut off from others |
issue | noun | An important topic or problem for debate or discussion |
itinerant | adj. | Traveling from place to place |
jar | noun | A wide-mouthed cylindrical container |
jealous | adj. | Feeling or showing envy of someone or their achievements and advantages. |
jeer | verb | To make rude and mocking remarks, typically in a loud voice |
jellyfish | noun | A marine animal with a soft, gelatinous body and tentacles |
jeopardy | noun | danger of loss, harm, or failure |
jerk | noun | A sudden, sharp movement |
jolt | verb | To move suddenly and roughly |
joyous | adj. | Full of happiness and joy |
judgment | noun | The ability to make considered decisions or come to sensible conclusions |
jumble | verb | To mix things up in a confused or untidy way |
junction | noun | A place where two or more things meet or are joined |
juncture | noun | A specific point in time, especially one made critical by a concurrence of circumstances. |
jurisdiction | noun | The official power to make legal decisions and judgments. |
justify | verb | To show or prove to be right or reasonable |
justly | adv. | In a fair or deserved manner |
juvenile | adj. | Relating to young people |
ken | noun | Range of knowledge or understanding |
kidnap | verb | To take someone away illegally by force |
kindle | verb | To start a fire or ignite something |
kingdom | noun | A country, state, or territory ruled by a king or queen |
knowledgeable | adj. | Well-informed and educated |
laborious | adj. | Requiring a lot of time and effort |
labyrinth | noun | A complex network of paths or passages |
lag | verb | To fall behind in movement, progress, or development |
lament | verb | To express sorrow or regret |
land | noun | The part of the earth's surface that is not covered by water |
languid | adj. | Lacking energy or vitality |
languish | verb | To become weak or lose strength |
lash | verb | To strike or hit with a whip or similar object |
lasting | adj. | Continuing for a long time |
lately | adv. | Recently |
latitude | noun | The distance north or south of the equator measured in degrees |
laud | verb | To praise highly |
laudable | adj. | Deserving praise and commendation |
launch | verb | To start or set in motion |
laurel | noun | An evergreen shrub or tree with aromatic leaves |
lawn | noun | An area of short, mowed grass in a yard, garden, or park. |
lawsuit | noun | A legal case brought to court |
lead | verb | To guide or direct |
leading | adj. | Most important or influential |
league | noun | A group of sports teams that compete against each other |
leak | verb | To allow liquid or gas to escape through a hole or crack |
lease | noun | A contract granting use or occupation of property during a specified period in exchange for a specified rent |
lease | noun | A contract granting use or occupation of property during a specified period in exchange for a specified rent |
leash | noun | A strap or cord for controlling animals |
ledge | noun | A narrow shelf or surface that sticks out from a vertical surface |
legacy | noun | Something handed down from the past |
legalize | verb | To make lawful |
legendary | adj. | Famous or well-known, often for a long time or with a great reputation. |
legislate | verb | To create or enact laws |
lethal | adj. | Causing or capable of causing death |
levy | verb | To impose a tax or fee |
liaison | noun | A person who helps groups work together and share information |
liberal | adj. | Open to new behavior or opinions and willing to discard traditional values. |
liberate | verb | To set free from a situation, especially imprisonment or slavery |
licensed | adj. | Having official permission to do something |
limestone | noun | A sedimentary rock mainly composed of calcium carbonate |
limp | verb | To walk with difficulty, typically because of a damaged or stiff leg or foot |
limpid | adj. | Clear and transparent |
linguistics | noun | The scientific study of language and its structure |
liquid | noun | A substance that flows freely but is of constant volume |
listless | adj. | Lacking energy or enthusiasm |
lithe | adj. | Flexible and graceful |
loan | noun | A sum of money borrowed |
loath | adj. | Unwilling or reluctant to do something |
loathe | verb | To feel intense dislike or disgust for |
locate | verb | To find the position or place of something |
lofty | adj. | Very high or tall |
log | noun | A part of the trunk or a large branch of a tree that has fallen or been cut off |
logical | adj. | Reasonable or makes sense |
long | adj. | Measuring a great distance from end to end |
longitude | noun | The angular distance of a place east or west of the meridian at Greenwich, England, usually expressed in degrees and minutes. |