Meaning: not protected or cautious.

Part of speech: adjective

Example: He spoke his mind in an unguarded moment.

Category: General

Synonyms:

• open
• candid

Antonyms:

• guarded
• cautious

Meaning: to release or let go of something.

Part of speech: verb

Example: Please unhand my bag.

Category: General

Synonyms:

• release
• let go

Antonyms:

• grasp
• hold

Meaning: not noticed or ignored.

Part of speech: adjective

Example: His warnings went unheeded.

Category: General

Synonyms:

• ignored
• overlooked

Antonyms:

• heeded
• noticed

Meaning: not previously announced or expected.

Part of speech: adjective

Example: The unheralded artist gained fame overnight.

Category: General

Synonyms:

• unexpected
• unannounced

Antonyms:

• heralded
• announced

Meaning: to remove from hinges; to disturb mentally.

Part of speech: verb

Example: He tried to unhinge the door.

Category: General

Synonyms:

• disturb
• dislocate

Antonyms:

• hinge
• stabilize

Meaning: to detach or remove from a hitch.

Part of speech: verb

Example: He will unhitch the trailer from the car.

Category: General

Synonyms:

• detach
• disconnect

Antonyms:

• hitch
• attach

Meaning: to detach or remove from a hook.

Part of speech: verb

Example: Please unhook the fish.

Category: General

Synonyms:

• detach
• remove

Antonyms:

• hook
• attach

Meaning: Not able to be recognized or identified.

Part of speech: adjective

Example: The source of the noise was unidentifiable.

Category: Science

Synonyms: unknown

Antonyms: identifiable

Meaning: The quality of being the same or consistent.

Part of speech: noun

Example: The uniformity of the design made it appealing.

Category: Arts › Design

Synonyms: consistency

Antonyms: diversity

Meaning: Performed by or affecting only one side.

Part of speech: adjective

Example: The country made a unilateral decision.

Category: Politics › International Relations

Synonyms: one-sided

Antonyms: bilateral

Meaning: Difficult or impossible to imagine.

Part of speech: adjective

Example: The scale of the disaster was unimaginable.

Category: Arts › Literature

Synonyms: inconceivable

Antonyms: imaginable

Meaning: Not obstructed or hindered.

Part of speech: adjective

Example: The flow of traffic was unimpeded.

Category: Transportation

Synonyms: unobstructed

Antonyms: impeded

Meaning: Not providing useful information.

Part of speech: adjective

Example: The report was deemed uninformative.

Category: Communication

Synonyms: vague

Antonyms: informative

Meaning: Not suitable for living in.

Part of speech: adjective

Example: The area was declared uninhabitable after the disaster.

Category: Nature › Environment

Synonyms: unlivable

Antonyms: habitable

Meaning: Lacking intelligence or understanding.

Part of speech: adjective

Example: The test was designed for unintelligent animals.

Category: Education

Synonyms: dull-witted

Antonyms: intelligent

Meaning: A person who supports or belongs to a union.

Part of speech: noun

Example: The unionist advocated for workers' rights.

Category: Politics › Labor

Synonyms: trade unionist

Meaning: A type of investment fund that pools money from many investors.

Part of speech: noun

Example: Investing in a unit trust can diversify your portfolio.

Category: Finance

Synonyms: mutual fund

Meaning: Forming a single entity; unified.

Part of speech: adjective

Example: The country has a unitary government system.

Category: Politics

Synonyms: unified

Antonyms: federal

Meaning: A substance that changes color to indicate pH levels.

Part of speech: noun

Example: The universal indicator is used in chemistry experiments.

Category: Science › Chemistry

Meaning: Not based on or behaving according to what is morally right.

Part of speech: adjective

Example: The unjust laws were challenged in court.

Category: Law › Ethics

Synonyms: unfair

Antonyms: just

Meaning: Not aware or informed.

Part of speech: adjective

Example: He gave an unknowing smile.

Category: General

Synonyms: ignorant

Antonyms: aware

Meaning: not carrying a load or burden.

Part of speech: adjective

Example: The unladen ship sailed smoothly across the sea.

Category: Science

Synonyms:

• empty
• light

Antonyms:

• laden
• loaded

Meaning: to discard knowledge or habits that are no longer useful.

Part of speech: verb

Example: Sometimes, you need to unlearn old habits to improve.

Category: Education

Synonyms:

• forget
• discard

Antonyms:

• learn
• acquire

Meaning: not having lines; smooth.

Part of speech: adjective

Example: She prefers unlined paper for her sketches.

Category: Arts

Synonyms:

• smooth
• plain

Antonyms: lined

Meaning: unexpected; not anticipated.

Part of speech: adjective

Example: The unlooked-for gift surprised everyone.

Category: General

Synonyms:

• unexpected
• surprising

Meaning: not loved; neglected or rejected.

Part of speech: adjective

Example: She felt unloved after the breakup.

Category: General

Synonyms:

• neglected
• unwanted

Antonyms:

• loved
• cherished

Meaning: difficult or impossible to manage.

Part of speech: adjective

Example: The project became unmanageable due to its size.

Category: Business

Synonyms:

• uncontrollable
• difficult

Antonyms:

• manageable
• controllable

Meaning: not having a crew or personnel; automated.

Part of speech: adjective

Example: The unmanned drone flew over the landscape.

Category: Technology

Synonyms:

• automated
• robotic

Antonyms:

• manned
• crewed

Meaning: to reveal the true identity of someone or something.

Part of speech: verb

Example: The detective worked to unmask the criminal.

Category: General

Synonyms:

• reveal
• expose

Antonyms:

• mask
• conceal

Meaning: not worth remembering; forgettable.

Part of speech: adjective

Example: The movie was unmemorable and didn't leave an impression.

Category: Arts

Synonyms:

• forgettable
• insignificant

Antonyms:

• memorable
• remarkable

Meaning: not fulfilled or satisfied.

Part of speech: adjective

Example: His needs remained unmet despite his efforts.

Category: General

Synonyms:

• unfulfilled
• unsatisfied

Antonyms:

• met
• fulfilled

Meaning: not disturbed or interfered with.

Part of speech: adjective

Example: The wildlife remained unmolested in the protected area.

Category: Nature

Synonyms:

• untouched
• unbothered

Antonyms:

• molested
• disturbed

Meaning: not identified by name; anonymous.

Part of speech: adjective

Example: The artist remained unnamed in the gallery.

Category: Arts

Synonyms:

• anonymous
• unknown

Antonyms:

• named
• identified

Meaning: not assigned a number; without a number.

Part of speech: adjective

Example: The pages were unnumbered in the book.

Category: General

Synonyms:

• unlabeled
• unmarked

Antonyms:

• numbered
• labeled

Meaning: not causing any objection; acceptable.

Part of speech: adjective

Example: The proposal was deemed unobjectionable by the committee.

Category: General

Synonyms:

• acceptable
• uncontroversial

Antonyms:

• objectionable
• controversial

Meaning: not able to be obtained; inaccessible.

Part of speech: adjective

Example: The rare book was unobtainable in stores.

Category: General

Synonyms:

• unreachable
• inaccessible

Antonyms:

• obtainable
• accessible

Meaning: not conforming to traditional beliefs or practices.

Part of speech: adjective

Example: His unorthodox methods surprised everyone.

Category: General

Synonyms:

• unconventional
• radical

Antonyms:

• orthodox
• traditional

Meaning: not pleasant to taste; unacceptable.

Part of speech: adjective

Example: The unpalatable food was left untouched.

Category: Food

Synonyms:

• unpleasant
• distasteful

Antonyms:

• palatable
• pleasant

Meaning: not worried or concerned; calm.

Part of speech: adjective

Example: She remained unperturbed by the chaos around her.

Category: General

Synonyms:

• calm
• untroubled

Antonyms:

• perturbed
• worried

Meaning: not placed or positioned; unarranged.

Part of speech: adjective

Example: The unplaced items cluttered the table.

Category: General

Synonyms:

• unarranged
• disordered

Antonyms:

• placed
• arranged