Meaning: not damaged or changed by people

Part of speech: adjective

Example: The unspoiled nature of the island attracts many tourists.

Category: Nature

Synonyms:

• pristine
• untouched

Antonyms:

• spoiled
• damaged

Meaning: not expressed in words

Part of speech: adjective

Example: There was an unspoken agreement between them.

Category: Communication

Synonyms:

• implicit
• tacit

Antonyms:

• spoken
• expressed

Meaning: not steady or secure

Part of speech: adjective

Example: The unstable structure was at risk of collapsing.

Category: Safety

Synonyms:

• unsteady
• precarious

Antonyms:

• stable
• steady

Meaning: not expressed or declared

Part of speech: adjective

Example: The unstated rules of the game confused the players.

Category: Communication

Synonyms:

• implicit
• implied

Antonyms:

• stated
• declared

Meaning: impossible to stop or prevent

Part of speech: adjective

Example: The team's momentum felt unstoppable.

Category: Sports

Synonyms:

• invincible
• uncontrollable

Antonyms:

• stoppable
• controllable

Meaning: lacking a clear structure or organization

Part of speech: adjective

Example: The unstructured format of the meeting made it hard to follow.

Category: Education

Synonyms:

• disorganized
• chaotic

Antonyms:

• structured
• organized

Meaning: not appropriate or compatible

Part of speech: adjective

Example: He felt unsuited for the job.

Category: Career

Synonyms:

• incompatible
• unfit

Antonyms:

• suited
• fitting

Meaning: not celebrated or praised

Part of speech: adjective

Example: He was an unsung hero who saved many lives.

Category: Arts

Synonyms:

• unrecognized
• overlooked

Antonyms:

• celebrated
• recognized

Meaning: not surprised

Part of speech: adjective

Example: He was unsurprised by the outcome of the match.

Category: Psychology

Synonyms:

• unmoved
• unaffected

Antonyms:

• surprised
• shocked

Meaning: not causing surprise

Part of speech: adjective

Example: The result was unsurprising given their performance.

Category: Psychology

Synonyms:

• expected
• predictable

Antonyms:

• surprising
• unexpected

Meaning: not aware of the presence of danger

Part of speech: adjective

Example: The unsuspecting victims fell into the trap.

Category: Psychology

Synonyms:

• unaware
• innocent

Antonyms:

• suspecting
• aware

Meaning: lacking talent or skill

Part of speech: adjective

Example: He felt untalented compared to his peers.

Category: Arts

Synonyms:

• unskilled
• inept

Antonyms:

• talented
• skilled

Meaning: not domesticated or controlled

Part of speech: adjective

Example: The untamed wilderness is beautiful and wild.

Category: Nature

Synonyms:

• wild
• uncontrolled

Antonyms:

• tamed
• domesticated

Meaning: not yet exploited or utilized

Part of speech: adjective

Example: The untapped resources could benefit the community.

Category: Business

Synonyms:

• unused
• unutilized

Antonyms:

• tapped
• utilized

Meaning: Not having been tested or tried out.

Part of speech: adjective

Example: The new software remains untested in real-world conditions.

Category: Technology

Synonyms:

• untried
• unproven

Antonyms:

• tested
• proven

Meaning: Not having a title.

Part of speech: adjective

Example: The artist displayed an untitled painting at the gallery.

Category: Arts › Visual Arts

Synonyms:

• nameless
• unlabeled

Antonyms:

• titled
• named

Meaning: Not affected or changed.

Part of speech: adjective

Example: The forest remained untouched by human activity.

Category: Nature

Synonyms:

• pristine
• unspoiled

Antonyms:

• touched
• altered

Meaning: Not having received treatment.

Part of speech: adjective

Example: The untreated water was unsafe to drink.

Category: Health

Synonyms:

• raw
• unprocessed

Antonyms:

• treated
• processed

Meaning: Not tested or proven.

Part of speech: adjective

Example: The untried method showed promise in early experiments.

Category: Science

Synonyms:

• unproven
• untested

Antonyms:

• tried
• tested

Meaning: Not able to be relied on; not trustworthy.

Part of speech: adjective

Example: He is known to be untrustworthy in business dealings.

Category: Business

Synonyms:

• dishonest
• unreliable

Antonyms:

• trustworthy
• reliable

Meaning: Not telling the truth; dishonest.

Part of speech: adjective

Example: Her untruthful comments damaged his reputation.

Category: Ethics

Synonyms:

• dishonest
• deceitful

Antonyms:

• truthful
• honest

Meaning: Not able to be used.

Part of speech: adjective

Example: The equipment was deemed unusable after the accident.

Category: Technology

Synonyms:

• inoperable
• nonfunctional

Antonyms:

• usable
• functional

Meaning: To reveal or make known.

Part of speech: verb

Example: The company will unveil its new product next week.

Category: Business

Synonyms:

• reveal
• disclose

Antonyms:

• conceal
• hide

Meaning: Not cautious or alert.

Part of speech: adjective

Example: The unwary traveler fell into the trap.

Category: Safety

Synonyms:

• careless
• heedless

Antonyms:

• wary
• cautious

Meaning: Not friendly or inviting.

Part of speech: adjective

Example: The unwelcoming atmosphere made the guests uncomfortable.

Category: Social Interactions

Synonyms:

• hostile
• cold

Antonyms:

• welcoming
• friendly

Meaning: Not showing good judgment; foolish.

Part of speech: adjective

Example: It was unwise to invest all his savings in one stock.

Category: Decision Making

Synonyms:

• foolish
• imprudent

Antonyms:

• wise
• prudent

Meaning: Not wound up; relaxed.

Part of speech: adjective

Example: After the vacation, he felt unwound and ready to work.

Category: Lifestyle

Synonyms:

• relaxed
• loosened

Antonyms:

• wound
• tense

Meaning: Not written down; not recorded.

Part of speech: adjective

Example: There are unwritten rules in every culture.

Category: Communication

Synonyms:

• implicit
• unstated

Antonyms:

• written
• documented

Meaning: Indicates an increase or improvement.

Part of speech: prefix

Example: The up-and-coming artist gained popularity quickly.

Category: Language

Meaning: In a position at the front; openly or honestly.

Part of speech: adverb

Example: He was up front about his intentions.

Category: Communication

Synonyms:

• honestly
• openly

Antonyms:

• secretly
• deceptively

Meaning: The act of maintaining something.

Part of speech: noun

Example: The upkeep of the garden requires a lot of work.

Category: Business › Management

Synonyms:

• maintenance
• care

Meaning: Raised or elevated.

Part of speech: adjective

Example: The up raised hands signaled for attention.

Category: General

Synonyms:

• raised
• elevated

Meaning: Nervous or anxious.

Part of speech: adjective

Example: She felt uptight before the big presentation.

Category: Emotions

Synonyms:

• tense
• nervous

Antonyms:

• relaxed
• calm

Meaning: The central or main area of a town or city.

Part of speech: noun

Example: Let's go shopping up town.

Category: Geography

Synonyms:

• downtown
• city center

Meaning: Likely to succeed or become popular in the near future.

Part of speech: adjective

Example: She is an up-and-coming actress in Hollywood.

Category: Entertainment

Synonyms:

• promising
• emerging

Antonyms:

• declining
• fading

Meaning: The care and training received during childhood.

Part of speech: noun

Example: Her upbringing influenced her values and beliefs.

Category: Education

Synonyms:

• raising
• nurturing

Antonyms:

• neglect
• abandonment

Meaning: Universal Product Code; a barcode used for tracking products.

Part of speech: noun

Example: The UPC on the item allows it to be scanned at the register.

Category: Business › Retail

Synonyms:

• barcode
• product code

Meaning: To support or maintain something.

Part of speech: verb

Example: The court decided to uphold the previous ruling.

Category: Law

Synonyms:

• support
• maintain

Antonyms:

• reject
• overturn

Meaning: To provide furniture with padding, covering, and springs.

Part of speech: verb

Example: They decided to upholster the old sofa.

Category: Arts › Furniture Design

Synonyms:

• furnish
• cover

Meaning: The art or process of covering furniture with fabric.

Part of speech: noun

Example: The upholstery on the chair was very elegant.

Category: Arts › Furniture Design

Synonyms:

• furnishing
• covering