Meaning: a type of stiff porridge made from maize flour

Part of speech: noun

Example: Ugali is a staple food in many East African countries.

Category: Food › Cuisine

Meaning: an indefinite large number

Part of speech: adjective

Example: I've told you umpteen times to clean your room!

Category: Language

Synonyms:

• countless
• numerous

Meaning: Not feeling fear; brave.

Part of speech: adjective

Example: She was unafraid to speak her mind.

Category: Psychology

Synonyms:

• fearless
• courageous

Antonyms:

• afraid
• fearful

Meaning: Not pleasing or appealing to the senses.

Part of speech: adjective

Example: The design was considered unattractive by many.

Category: Arts › Design

Synonyms:

• unappealing
• ugly

Antonyms:

• attractive
• appealing

Meaning: Not conscious or informed about something.

Part of speech: adjective

Example: She was unaware of the changes.

Category: Communication

Synonyms:

• ignorant
• oblivious

Antonyms:

• aware
• informed

Meaning: To release or undo a buckle.

Part of speech: verb

Example: Please unbuckle your seatbelt before exiting the car.

Category: Transportation

Synonyms:

• release
• undo

Antonyms:

• buckle
• fasten

Meaning: To undo the buttons of something.

Part of speech: verb

Example: He decided to unbutton his shirt in the heat.

Category: Fashion

Synonyms:

• undo
• unfasten

Antonyms:

• button
• fasten

Meaning: Not fastened with buttons.

Part of speech: adjective

Example: His shirt was unbuttoned after the party.

Category: Fashion

Synonyms:

• open
• loose

Antonyms:

• buttoned
• fastened

Meaning: Causing discomfort; not pleasant.

Part of speech: adjective

Example: The chair was uncomfortable to sit in.

Category: Lifestyle

Synonyms:

• discomforting
• uneasy

Antonyms:

• comfortable
• pleasant

Meaning: In a way that causes discomfort.

Part of speech: adverb

Example: She shifted uncomfortably in her seat.

Category: Lifestyle

Synonyms:

• uneasily
• awkwardly

Antonyms:

• comfortably
• pleasantly

Meaning: Not finished or completed.

Part of speech: adjective

Example: The project remains uncompleted due to lack of funding.

Category: Arts › Literature

Synonyms:

• unfinished
• incomplete

Antonyms:

• completed
• finished

Meaning: Simple and easy to understand.

Part of speech: adjective

Example: The instructions were straightforward and uncomplicated.

Category: Education

Synonyms:

• simple
• straightforward

Antonyms:

• complicated
• complex

Meaning: Not fashionable or socially acceptable.

Part of speech: adjective

Example: Wearing socks with sandals is considered uncool.

Category: Social

Synonyms:

• unfashionable
• uncool

Antonyms:

• cool
• fashionable

Meaning: To remove the cork from a bottle.

Part of speech: verb

Example: Please uncork the wine before serving.

Category: Food › Beverages

Synonyms:

• open
• unstop

Antonyms:

• cork
• seal

Meaning: Not crowded; having plenty of space.

Part of speech: adjective

Example: The park was uncrowded on a weekday.

Category: Nature

Synonyms:

• spacious
• roomy

Antonyms:

• crowded
• packed

Meaning: Not harmed or injured.

Part of speech: adjective

Example: The package arrived undamaged.

Category: Logistics

Synonyms:

• intact
• unharmed

Antonyms:

• damaged
• injured

Meaning: Not having made a decision.

Part of speech: adjective

Example: He was still undecided about which college to attend.

Category: Education

Synonyms:

• undetermined
• indecisive

Antonyms:

• decided
• determined

Meaning: Not having lost a game or contest.

Part of speech: adjective

Example: The team remained undefeated throughout the season.

Category: Sports

Synonyms:

• invincible
• unbeaten

Antonyms:

• defeated
• beaten

Meaning: Not requiring much effort or attention.

Part of speech: adjective

Example: The job was undemanding and allowed for a relaxed pace.

Category: Work

Synonyms:

• easy
• simple

Antonyms:

• demanding
• challenging

Meaning: A student who has not yet received a degree.

Part of speech: noun

Example: As an under graduate, she is focused on her studies.

Category: Education

Synonyms: student

Meaning: Below the legal age for a particular activity.

Part of speech: adjective

Example: He is underage and cannot buy alcohol.

Category: Law › Criminal Law

Synonyms:

• minor
• youth

Antonyms:

• adult
• overage

Meaning: A student in the first two years of high school or college.

Part of speech: noun

Example: As an underclassman, he was still learning the ropes.

Category: Education

Synonyms:

• freshman
• sophomore

Antonyms:

• upperclassman
• senior

Meaning: A female student in the first two years of high school or college.

Part of speech: noun

Example: She was an underclasswoman, eager to learn.

Category: Education

Synonyms:

• freshwoman
• sophomore

Antonyms:

• upperclasswoman
• senior

Meaning: A competitor thought to have little chance of winning.

Part of speech: noun

Example: In the final match, the underdog surprised everyone by winning.

Category: Sports

Synonyms:

• dark horse
• long shot

Antonyms: favorite

Meaning: A passageway that goes under a road or railway.

Part of speech: noun

Example: We used the underpass to cross the busy street safely.

Category: Transportation

Synonyms: tunnel

Meaning: Easy to comprehend or grasp.

Part of speech: adjective

Example: Her explanation was clear and understandable.

Category: General

Synonyms:

• comprehensible
• clear

Antonyms: confusing

Meaning: The ability to comprehend something.

Part of speech: noun

Example: Her understanding of the topic impressed everyone.

Category: General

Synonyms:

• comprehension
• grasp

Meaning: To reverse or negate something that was done.

Part of speech: verb

Example: She undid the changes she made to the document.

Category: General

Synonyms:

• reversed
• canceled

Meaning: To reverse an action or change.

Part of speech: verb

Example: You can undo the last command in the program.

Category: General

Synonyms:

• reverse
• cancel

Meaning: Feeling anxious or uncomfortable.

Part of speech: adjective

Example: She felt uneasy about the upcoming exam.

Category: Psychology

Synonyms:

• anxious
• uncomfortable

Antonyms: comfortable

Meaning: The state of being without a job.

Part of speech: noun

Example: Unemployment rates have risen this year.

Category: Economics

Synonyms:

• joblessness
• idleness

Meaning: Not anticipated; surprising.

Part of speech: adjective

Example: The unexpected news shocked everyone.

Category: General

Synonyms:

• surprising
• unforeseen

Meaning: not in style or out of date.

Part of speech: adjective

Example: His clothes were considered unfashionable.

Category: Fashion

Synonyms:

• outdated
• old-fashioned

Antonyms:

• fashionable
• trendy

Meaning: not filled or occupied.

Part of speech: adjective

Example: There were many unfilled positions in the company.

Category: Business › Human Resources

Synonyms:

• vacant
• empty

Antonyms:

• filled
• occupied

Meaning: not suitable or appropriate.

Part of speech: adjective

Example: He was deemed unfit for the job.

Category: General

Synonyms:

• unsuitable
• inappropriate

Antonyms:

• fit
• suitable

Meaning: not concentrated or directed.

Part of speech: adjective

Example: His thoughts were unfocused during the meeting.

Category: General

Synonyms:

• scattered
• dispersed

Antonyms:

• focused
• concentrated

Meaning: impossible to forget; memorable.

Part of speech: adjective

Example: The trip was an unforgettable experience.

Category: General

Synonyms:

• memorable
• indelible

Antonyms:

• forgettable
• insignificant

Meaning: used to express regret or disappointment.

Part of speech: adverb

Example: Unfortunately, we cannot attend the event.

Category: General

Synonyms:

• regrettably
• sadly

Antonyms:

• fortunately
• happily

Meaning: to thaw or make something not frozen.

Part of speech: verb

Example: You need to unfreeze the chicken before cooking.

Category: General

Synonyms:

• thaw
• defrost

Antonyms:

• freeze
• ice

Meaning: not amusing or humorous.

Part of speech: adjective

Example: The joke was unfunny and fell flat.

Category: Arts › Comedy

Synonyms:

• humorless
• serious

Antonyms:

• funny
• amusing