Meaning: A shirt worn under another shirt.

Part of speech: noun

Example: He wore an undershirt to stay warm.

Category: Fashion

Synonyms: tank top

Meaning: Shorts worn under other clothing.

Part of speech: noun

Example: He prefers wearing undershorts for comfort.

Category: Fashion

Synonyms:

• boxers
• briefs

Meaning: To grasp the meaning of something.

Part of speech: verb

Example: I understand the instructions clearly.

Category: General

Synonyms:

• comprehend
• grasp

Antonyms: misunderstand

Meaning: Past tense of understand; grasped the meaning.

Part of speech: verb

Example: She understood the lesson well.

Category: General

Synonyms: comprehended

Meaning: Clothing worn under outer clothes.

Part of speech: noun

Example: He bought new underwear for the trip.

Category: Fashion

Synonyms:

• undergarments
• lingerie

Meaning: Informal term for underwear.

Part of speech: noun

Example: He bought new undies for the trip.

Category: Fashion

Synonyms:

• underwear
• lingerie

Meaning: To remove one's clothing.

Part of speech: verb

Example: She decided to undress before taking a shower.

Category: General

Synonyms:

• disrobe
• strip

Meaning: Not wearing clothes; naked.

Part of speech: adjective

Example: He felt vulnerable when he was undressed.

Category: General

Synonyms:

• naked
• bare

Meaning: Without a job; not employed.

Part of speech: adjective

Example: He has been unemployed for six months.

Category: Employment

Synonyms:

• jobless
• out of work

Antonyms: employed

Meaning: not just or equitable.

Part of speech: adjective

Example: It was unfair to blame her for the mistake.

Category: Politics

Synonyms:

• inequitable
• biased

Antonyms:

• fair
• just

Meaning: not known or recognized.

Part of speech: adjective

Example: The city felt unfamiliar to her.

Category: General

Synonyms:

• unknown
• strange

Antonyms:

• familiar
• known

Meaning: to undo or release something that is fastened.

Part of speech: verb

Example: Please unfasten your seatbelt.

Category: General

Synonyms:

• release
• loosen

Antonyms:

• fasten
• secure

Meaning: not completed or done.

Part of speech: adjective

Example: The project remains unfinished.

Category: General

Synonyms:

• incomplete
• pending

Antonyms:

• finished
• completed

Meaning: to open or spread out from a folded state.

Part of speech: verb

Example: The flowers began to unfold in the sunlight.

Category: Nature

Synonyms:

• open
• expand

Antonyms:

• fold
• close

Meaning: having bad luck or unfavorable circumstances.

Part of speech: adjective

Example: It was an unfortunate accident.

Category: General

Synonyms:

• regrettable
• unlucky

Antonyms:

• fortunate
• lucky

Meaning: not kind or pleasant.

Part of speech: adjective

Example: His unfriendly attitude made others uncomfortable.

Category: General

Synonyms:

• hostile
• unwelcoming

Antonyms:

• friendly
• welcoming

Meaning: not conducive to good health.

Part of speech: adjective

Example: Eating junk food is unhealthy.

Category: Health

Synonyms:

• harmful
• detrimental

Antonyms:

• healthy
• beneficial

Meaning: short for university.

Part of speech: noun

Example: She is studying at uni.

Category: Education › Higher Education

Synonyms:

• university
• college

Meaning: A mythical horse-like creature with a single horn.

Part of speech: noun

Example: The unicorn is often depicted in fairy tales.

Category: Arts › Mythology

Synonyms: mythical creature

Meaning: A vehicle with a single wheel, typically used for performing tricks.

Part of speech: noun

Example: He learned to ride a unicycle in just a few days.

Category: Sports › Cycling

Synonyms: one-wheeled bike

Meaning: A standard set of clothes worn by members of an organization.

Part of speech: noun

Example: Students must wear a uniform to school.

Category: Education › School

Synonyms: outfit

Antonyms: casual wear

Meaning: Not significant or valuable.

Part of speech: adjective

Example: The details were unimportant to the main story.

Category: General

Synonyms: trivial

Antonyms: important

Meaning: Not interested or concerned.

Part of speech: adjective

Example: She seemed uninterested in the conversation.

Category: General

Synonyms: indifferent

Antonyms: interested

Meaning: A single, distinct part of a whole.

Part of speech: noun

Example: Each unit in the course has its own objectives.

Category: Education › Curriculum

Synonyms: component

Antonyms: whole

Meaning: All existing matter, space, and energy considered as a whole.

Part of speech: noun

Example: The universe is vast and full of mysteries.

Category: Science › Astronomy

Synonyms: cosmos

Meaning: Not friendly or considerate.

Part of speech: adjective

Example: It was unkind of him to say that.

Category: General

Synonyms: cruel

Antonyms: kind

Meaning: Not known or familiar.

Part of speech: adjective

Example: The source of the noise was unknown.

Category: General

Synonyms: unfamiliar

Antonyms: known

Meaning: except if; used to introduce a condition.

Part of speech: conjunction

Example: You won't succeed unless you try.

Category: Grammar

Synonyms:

• if not
• except

Meaning: different from; not similar to.

Part of speech: preposition

Example: Unlike her sister, she loves to read.

Category: Grammar

Synonyms:

• dissimilar
• different

Antonyms:

• like
• similar

Meaning: to remove a load from something.

Part of speech: verb

Example: We need to unload the truck before it gets dark.

Category: General

Synonyms:

• discharge
• empty

Antonyms:

• load
• fill

Meaning: not locked; open.

Part of speech: adjective

Example: The door was unlocked, so we walked right in.

Category: General

Synonyms:

• open
• accessible

Antonyms:

• locked
• secured

Meaning: having bad luck; unfortunate.

Part of speech: adjective

Example: He felt unlucky after missing the bus.

Category: General

Synonyms:

• unfortunate
• ill-fated

Antonyms:

• lucky
• fortunate

Meaning: not married; single.

Part of speech: adjective

Example: She is unmarried and enjoys her independence.

Category: General

Synonyms:

• single
• divorced

Antonyms:

• married
• coupled

Meaning: to remove items from a container or package.

Part of speech: verb

Example: I need to unpack my suitcase after the trip.

Category: General

Synonyms:

• unbox
• empty

Antonyms:

• pack
• fill

Meaning: not enjoyable; causing discomfort.

Part of speech: adjective

Example: The unpleasant smell made me feel sick.

Category: General

Synonyms:

• disagreeable
• uncomfortable

Antonyms:

• pleasant
• enjoyable

Meaning: to remove a plug from a socket.

Part of speech: verb

Example: Please unplug the charger when it's not in use.

Category: Technology

Synonyms:

• disconnect
• detach

Antonyms:

• plug in
• connect

Meaning: Not liked or admired by many people.

Part of speech: adjective

Example: The movie was unpopular among critics.

Category: Arts › Film

Synonyms:

• disliked
• unfavored

Antonyms:

• popular
• liked

Meaning: Not ready or equipped for something.

Part of speech: adjective

Example: She felt unprepared for the exam.

Category: Education

Synonyms:

• ill-equipped
• unready

Antonyms:

• prepared
• ready

Meaning: Not read or examined.

Part of speech: adjective

Example: I have several unread emails in my inbox.

Category: Communication

Synonyms:

• ignored
• overlooked

Antonyms:

• read
• examined

Meaning: Not fully developed or matured; immature.

Part of speech: adjective

Example: The unripe fruit was too sour to eat.

Category: Nature › Agriculture

Synonyms:

• immature
• green

Antonyms:

• ripe
• mature