Meaning: Not cleaned; dirty.

Part of speech: adjective

Example: The uncleaned dishes piled up in the sink.

Category: General

Synonyms:

• dirty
• unclean

Antonyms:

• clean
• washed

Meaning: Not easy to understand; vague.

Part of speech: adjective

Example: The instructions were unclear.

Category: Communication

Synonyms:

• vague
• ambiguous

Antonyms:

• clear
• obvious

Meaning: Not messy or disorganized; tidy.

Part of speech: adjective

Example: The uncluttered room felt peaceful.

Category: General

Synonyms:

• tidy
• neat

Antonyms:

• cluttered
• messy

Meaning: To unwind or straighten something that is coiled.

Part of speech: verb

Example: She needed to uncoil the rope.

Category: General

Synonyms:

• unwind
• straighten

Antonyms:

• coil
• twist

Meaning: Not colored; in its natural state.

Part of speech: adjective

Example: The uncoloured paper was ready for printing.

Category: Arts

Synonyms:

• natural
• plain

Antonyms:

• colored
• dyed

Meaning: Not styled or arranged; messy hair.

Part of speech: adjective

Example: His uncombed hair gave him a casual look.

Category: General

Synonyms:

• messy
• unkempt

Antonyms:

• combed
• styled

Meaning: Not bound by a commitment; free to choose.

Part of speech: adjective

Example: He was uncommitted to any particular course of action.

Category: Lifestyle

Synonyms:

• independent
• unattached

Antonyms:

• committed
• bound

Meaning: Not usual; rare or infrequent.

Part of speech: adjective

Example: It is uncommon to see snow in this region.

Category: General

Synonyms:

• rare
• unusual

Antonyms:

• common
• usual

Meaning: In a way that is not common; unusually.

Part of speech: adverb

Example: She is uncommonly talented.

Category: General

Synonyms:

• rarely
• unusually

Antonyms:

• commonly
• usually

Meaning: Not willing to talk or share information.

Part of speech: adjective

Example: He was uncommunicative during the meeting.

Category: Communication

Synonyms:

• reserved
• silent

Antonyms:

• communicative
• talkative

Meaning: Not able to compete; lacking in competition.

Part of speech: adjective

Example: The market became uncompetitive.

Category: Business

Synonyms:

• noncompetitive
• inefficient

Antonyms:

• competitive
• aggressive

Meaning: Not expressing dissatisfaction or annoyance.

Part of speech: adjective

Example: She was uncomplaining despite the difficulties.

Category: Psychology

Synonyms:

• patient
• stoic

Antonyms:

• complaining
• dissatisfied

Meaning: Not worried or troubled.

Part of speech: adjective

Example: She remained unconcerned despite the chaos around her.

Category: Psychology

Synonyms:

• carefree
• untroubled

Antonyms:

• concerned
• worried

Meaning: Not verified or validated.

Part of speech: adjective

Example: The reports remain unconfirmed by the authorities.

Category: News

Synonyms:

• unverified
• tentative

Antonyms:

• confirmed
• verified

Meaning: Not linked or related.

Part of speech: adjective

Example: The two events seemed unconnected at first.

Category: Technology

Synonyms:

• disconnected
• isolated

Antonyms:

• connected
• related

Meaning: Not aware of surroundings or not awake.

Part of speech: adjective

Example: He was found unconscious after the accident.

Category: Medicine › Neurology

Synonyms:

• insensible
• unaware

Antonyms:

• conscious
• aware

Meaning: Not willing to help or cooperate.

Part of speech: adjective

Example: The uncooperative student refused to participate in the group project.

Category: Education

Synonyms:

• unhelpful
• obstinate

Antonyms:

• cooperative
• helpful

Meaning: Not organized or lacking coordination.

Part of speech: adjective

Example: His uncoordinated movements made him trip.

Category: Sports

Synonyms:

• clumsy
• awkward

Antonyms:

• coordinated
• graceful

Meaning: A noun that cannot be counted.

Part of speech: noun

Example: Water is an uncount noun.

Category: Grammar

Synonyms:

• uncountable noun
• mass noun

Meaning: To separate or disconnect.

Part of speech: verb

Example: You need to uncouple the two wires.

Category: Technology

Synonyms:

• disconnect
• separate

Antonyms:

• couple
• connect

Meaning: To reveal or expose something.

Part of speech: verb

Example: The investigation aimed to uncover the truth.

Category: Science › Research

Synonyms:

• reveal
• disclose

Antonyms:

• conceal
• hide

Meaning: Not covered or concealed.

Part of speech: adjective

Example: The uncovered area was exposed to the elements.

Category: Science

Synonyms:

• exposed
• revealed

Antonyms:

• covered
• concealed

Meaning: To straighten or remove curls.

Part of speech: verb

Example: She decided to uncurl her hair for the event.

Category: Beauty

Synonyms:

• straighten
• unroll

Antonyms:

• curl
• twist

Meaning: Not marked with a date.

Part of speech: adjective

Example: The letter was undated, making it hard to place.

Category: Business

Synonyms:

• date-less
• unmarked

Antonyms:

• dated
• marked

Meaning: Not formally announced or stated.

Part of speech: adjective

Example: She is an undeclared major in college.

Category: Education

Synonyms:

• unspecified
• undetermined

Antonyms:

• declared
• specified

Meaning: To restore something that has been deleted.

Part of speech: verb

Example: You can undelete the file from the recycle bin.

Category: Technology

Synonyms:

• restore
• recover

Antonyms:

• delete
• remove

Meaning: A prefix meaning 'below' or 'less than'.

Part of speech: prefix

Example: The term 'underestimate' means to assess something as less than its actual value.

Category: Language

Synonyms:

• beneath
• less than

Meaning: To perform below one's potential or ability.

Part of speech: verb

Example: He tends to under achieve in school despite his intelligence.

Category: Education

Synonyms:

• underperform
• fail to meet expectations

Antonyms:

• overachieve
• excel

Meaning: Clothing worn beneath outer clothes.

Part of speech: noun

Example: She bought a new under garment for the special occasion.

Category: Fashion

Synonyms: underwear

Meaning: To experience or endure something.

Part of speech: verb

Example: He will undergo surgery next week.

Category: Health

Synonyms:

• experience
• endure

Meaning: Not adequately prepared.

Part of speech: adjective

Example: The students felt under prepared for the exam.

Category: Education

Synonyms: ill-prepared

Antonyms: well-prepared

Meaning: Having fewer advantages than others.

Part of speech: adjective

Example: The charity helps under privileged children.

Category: Social Issues

Synonyms: disadvantaged

Antonyms: privileged

Meaning: To assess something as less valuable than it is.

Part of speech: verb

Example: Don't under rate the importance of teamwork.

Category: General

Synonyms: undervalue

Antonyms: overrate

Meaning: The area beneath the arm, often associated with body odor.

Part of speech: noun

Example: He applied deodorant to his underarm.

Category: Health

Synonyms:

• armpit
• axilla

Meaning: To offer a lower price than another bidder.

Part of speech: verb

Example: He decided to underbid his competitors to win the contract.

Category: Business › Finance

Synonyms:

• undercut
• outbid

Antonyms:

• overbid
• outbid

Meaning: Low-growing plants and shrubs in a forest.

Part of speech: noun

Example: The deer hid in the underbrush.

Category: Nature

Synonyms:

• undergrowth
• brush

Meaning: To charge less than the proper amount.

Part of speech: verb

Example: They decided to undercharge for the service to attract more customers.

Category: Business › Finance

Synonyms:

• undervalue
• discount

Antonyms:

• overcharge
• inflate

Meaning: Clothing worn under outer garments.

Part of speech: noun

Example: She bought new underclothes for the trip.

Category: Fashion

Synonyms:

• underwear
• lingerie

Meaning: A layer of paint or fur beneath the outer layer.

Part of speech: noun

Example: The artist applied an undercoat before the final layer.

Category: Arts

Synonyms:

• base coat
• primer

Meaning: To cook something insufficiently.

Part of speech: verb

Example: Be careful not to undercook the chicken.

Category: Food › Cooking

Synonyms:

• undercook
• insufficiently cook

Antonyms:

• overcook
• cook thoroughly