Intermediate Vocabulary Words

Academic vocabulary common across TOEFL, IELTS, and multi-test contexts. These words appear in university-level texts and are essential for scoring well on standardized English proficiency tests.

6223 words · Page 49 of 104

impenetrable GRE TOEFL

Unable to be pierced or entered; also used figuratively for ideas or language that are difficult to ...

imperative SAT GRE TOEFL IELTS

Of vital importance; crucial, or a command that must be obeyed.

imperceptible SAT GRE TOEFL

Too slight or gradual to be seen or noticed.

imperious SAT GRE TOEFL

Arrogant and domineering in manner; demanding obedience without question.

impermeable GRE TOEFL

Not allowing fluid or gas to pass through; resistant to penetration.

impersonal SAT TOEFL

Lacking personal emotion, warmth, or connection; objective or mechanical.

impersonate SAT GRE TOEFL

To pretend to be someone else, typically to deceive.

impersonation TOEFL

The act of pretending to be another person, especially for entertainment or deceit.

impertinent GRE TOEFL

Rude or disrespectful, especially in a bold or fresh way.

impervious SAT GRE TOEFL

Unable to be affected by or penetrated by something.

impetuous SAT GRE TOEFL

Acting suddenly without thinking carefully; hasty or rash.

impetus SAT GRE TOEFL

The force or energy that makes something happen or develop faster.

implacable TOEFL

Impossible to calm down or satisfy; unrelenting.

implement GRE TOEFL

To put a plan, decision, or system into effect.

implicate SAT GRE IELTS

To show someone to be involved in a crime or wrongdoing.

implication GRE TOEFL IELTS

A suggestion or something that is likely to be true if another thing is true; a possible consequence...

implicit SAT GRE TOEFL

Suggested or understood without being directly stated.

implore GRE TOEFL IELTS

To beg someone earnestly or desperately.

imply SAT TOEFL IELTS

To suggest something without stating it directly.

import TOEFL

To bring goods or services into a country from abroad; also can refer to significance or meaning.

impose GRE TOEFL IELTS

To force a rule, belief, or condition on someone; to demand obedience or acceptance.

imposing GRE TOEFL IELTS

Impressive in size, appearance, or manner; commanding attention.

impostor GRE TOEFL

A person who pretends to be someone else in order to deceive others, often to gain a benefit.

impotent SAT GRE TOEFL

Lacking the power, strength, or ability to function effectively; often used to describe inability to...

impractical TOEFL IELTS

Not suitable for use in real circumstances; unrealistic or unworkable.

impracticality TOEFL

The state or quality of being unsuitable for real-world use or application.

imprecation GRE TOEFL

A spoken curse or expression of deep disapproval.

impregnable SAT GRE TOEFL

Incapable of being broken into or overcome; extremely strong or secure.

impressionable GRE TOEFL

Easily influenced or affected by surroundings or ideas, especially during youth.

impressive TOEFL IELTS

Inspiring admiration through size, quality, or skill.

imprint GRE TOEFL

A mark or impression left by pressure; a lasting effect on someone's mind or character.

imprisonment TOEFL IELTS

The state of being confined in prison as a form of punishment.

improbable TOEFL

Not likely to be true or to occur.

impromptu SAT GRE TOEFL IELTS

Done without being planned or rehearsed; spontaneous.

impropriety SAT GRE TOEFL

Behavior that is considered improper or socially unacceptable.

improvident SAT GRE TOEFL

Failing to anticipate future needs or consequences; lacking foresight.

improvise SAT GRE TOEFL IELTS

To create or perform something on the spot, without prior preparation.

impudence SAT TOEFL

Rude or disrespectful behavior, often with boldness.

impugn SAT GRE TOEFL

To challenge or call into question the truth, validity, or honesty of something.

impulse GRE TOEFL IELTS

A sudden strong and unreflective urge or desire to act.

impulsive SAT GRE TOEFL

Acting or done without forethought, often on a sudden whim or desire.

impunity SAT GRE TOEFL

Exemption from punishment or consequences for one's actions.

impute SAT GRE TOEFL

To attribute a quality, action, or fault to someone, often negatively.

inability TOEFL IELTS

The lack of power, skill, or means to do something.

inactivate TOEFL

To make something no longer active or operational.

inadequate SAT TOEFL IELTS

Not sufficient or suitable for a particular purpose.

inanimate SAT GRE TOEFL

Lacking the qualities of life; not alive.

inappropriate TOEFL

Not suitable or proper in the given context or situation.

inaugurate GRE TOEFL

To formally begin or introduce something, especially with a ceremony.

incandescent SAT GRE TOEFL

Emitted light as a result of being heated; also, extremely angry.

incapacitate SAT TOEFL

To make someone unable to perform a normal function, especially physically or mentally.

incarcerate SAT GRE TOEFL

To imprison or confine someone legally.

incense GRE TOEFL IELTS

Aromatic substance that emits fragrant smoke when burned; can also mean to anger someone intensely.

incentive SAT GRE TOEFL IELTS

Something that motivates or encourages someone to do something.

incessant SAT GRE TOEFL

Continuing without pause; unending.

incidence SAT TOEFL

The frequency or rate at which something occurs.

incident SAT TOEFL IELTS

An event, especially one that is unusual or problematic.

incidentally SAT TOEFL IELTS

By the way; used to introduce a related or additional point.

incipient SAT GRE TOEFL

In an initial stage; beginning to happen or develop.

incise GRE TOEFL

To cut into with a sharp instrument; to engrave.

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