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 87 of 104

shyness TOEFL

The state or quality of being shy; nervousness or discomfort in the company of others.

sick TOEFL IELTS

Affected by physical illness or discomfort; also used informally to describe something impressive or...

sickness TOEFL IELTS

The state of being ill; a specific disease or illness.

sidestep TOEFL

To avoid a problem or responsibility without dealing with it directly.

sideways TOEFL

Toward one side or in a direction parallel to the side; not forward or backward.

siege SAT GRE TOEFL IELTS

A military blockade of a city or fortress with the intent of conquering it; a prolonged assault or e...

signature TOEFL IELTS

A person's name written in a distinctive way, especially as an authorization or form of identificati...

significance SAT TOEFL IELTS

The quality or state of being important or meaningful.

significant SAT TOEFL IELTS

Sufficiently great or important to be worthy of attention; notable.

signify TOEFL

To indicate or mean something; to be a sign of something.

silica TOEFL

A compound of silicon and oxygen, commonly found in sand and quartz, used in glass and ceramics.

silicate TOEFL

A compound containing silicon and oxygen, often found in minerals that make up a large portion of th...

silly TOEFL IELTS

Lacking seriousness or common sense; foolish or lighthearted in a playful way.

silt GRE TOEFL

Fine sedimentary material with particles smaller than sand but larger than clay, often deposited by ...

silversmith TOEFL

A craftsman who makes objects from silver, such as jewelry or tableware.

simper GRE TOEFL

To smile in a shy, affected, or self-conscious manner, often to appear sweet or innocent.

simplicity TOEFL IELTS

The quality of being simple or uncomplicated; freedom from extravagance or complexity.

simulate SAT GRE TOEFL

To imitate the appearance or characteristics of something, often with a model or device.

simultaneous SAT GRE TOEFL

Occurring, operating, or done at the same time.

sinecure SAT GRE TOEFL

A position requiring little or no work but giving financial benefit; originally referred to a church...

singular TOEFL

Unique, exceptional, or unusual; also, grammatically denoting one item.

sinister SAT GRE TOEFL

Giving the impression that something harmful or evil is happening or will happen; threatening or omi...

sinuous SAT GRE TOEFL

Having many twists and turns; winding or undulating in form.

sip GRE TOEFL

To drink or inhale in small quantities or slowly, often to taste.

skeleton TOEFL IELTS

The internal framework of bones in vertebrate animals; also, a minimal structure or outline.

skeptical GRE TOEFL

Doubtful or unconvinced about something, especially without proof.

skepticism SAT TOEFL

A questioning attitude toward knowledge, facts, or beliefs, especially those taken for granted.

sketch TOEFL IELTS

A rough or unfinished drawing; also, a brief description or outline of an idea.

sketchy GRE TOEFL

Lacking detail or completeness; also, unreliable or suspicious.

skimp GRE TOEFL

To use or provide less than is needed or desirable, often to save effort or money.

skip TOEFL IELTS

To hop lightly on alternate feet; also, to omit or leave out.

skull GRE TOEFL IELTS

The bony structure that forms the head and encloses the brain.

skyrocket GRE TOEFL

To rise rapidly in value, amount, or intensity; also refers to a firework that shoots into the air.

skyscraper TOEFL

A very tall building with many floors, typically found in cities.

slab GRE TOEFL

A thick, flat piece of stone, concrete, or other material.

slack TOEFL IELTS

Lacking in tightness, tautness, or tension; also refers to laziness or lack of effort.

slander TOEFL IELTS

To make a false spoken statement that damages someone's reputation.

slash TOEFL

To cut something quickly and forcefully, often with a broad stroke; also means a sharp reduction.

slate GRE TOEFL IELTS

A fine-grained rock that splits into smooth layers; also means to criticize harshly or schedule some...

slavish TOEFL

Showing excessive obedience or lack of independence; imitative without originality.

slender TOEFL

Thin or narrow in build or shape; often implies grace or elegance.

slice TOEFL IELTS

A thin, flat piece cut from something; can also mean to cut something into such pieces.

slide TOEFL IELTS

To move smoothly along a surface without interruption; can also refer to the act of slipping or desc...

slight SAT TOEFL IELTS

Small in degree, amount, or importance; not strong or heavy.

slightly TOEFL IELTS

To a small degree or extent.

slim TOEFL IELTS

Thin in a graceful or attractive way; can also mean small in amount or likelihood.

slime TOEFL

A thick, slippery substance, often greenish, produced by some animals or plants or formed in damp ar...

slimy GRE TOEFL

Covered in or resembling slime; unpleasantly moist or slippery; can also describe untrustworthy beha...

slip TOEFL IELTS

To slide unintentionally for a short distance; also refers to a mistake or small piece of paper.

slipper TOEFL IELTS

A lightweight shoe that is easy to put on and take off, typically worn indoors.

slippery TOEFL IELTS

Smooth and hard to hold onto; likely to cause slipping.

slit GRE IELTS

A long, narrow cut or opening made in something.

sloop GRE TOEFL

A sailboat with a single mast and a fore-and-aft rig, typically having one headsail and a mainsail.

slope TOEFL IELTS

A surface or ground that inclines at an angle to the horizontal, either upward or downward.

sloping TOEFL

Gradually inclined upward or downward; slanted.

sloth GRE TOEFL

A slow-moving, arboreal mammal native to Central and South America, known for hanging upside down in...

slothful SAT TOEFL

Lazy or slow in movement or action; lacking energy or effort.

sluggish GRE TOEFL

Slow-moving, inactive, or lacking energy or efficiency.

slum TOEFL

A densely populated, poorly maintained urban area with substandard housing and poverty.

slumber GRE TOEFL IELTS

A state of sleep, especially deep sleep.

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