one-liner–onto Vocabulary (O Words) – Meanings & Synonyms

one-liner

ComedyB2

Meaning: A short, witty remark or joke.

Part of speech: noun

Example: He delivered a funny one-liner that made everyone laugh.

Category: Comedy

Synonyms:

quip
joke

one-man

PerformanceB2

Meaning: Involving only one person.

Part of speech: adjective

Example: He performed a one-man show at the theater.

Category: Performance

Synonyms:

solo
individual

Antonyms:

group
team

one-man band

MusicB2

Meaning: A musician who plays multiple instruments simultaneously.

Part of speech: noun

Example: He is a one-man band, playing guitar and drums at the same time.

Category: Music

Synonyms: solo musician

one-night stand

RelationshipsB2

Meaning: A sexual encounter that lasts for one night only.

Part of speech: noun

Example: They had a one-night stand during the party.

Category: Relationships

Synonyms: casual encounter

one-of-a-kind

ArtsB2

Meaning: Unique; the only one of its kind.

Part of speech: adjective

Example: Her painting is one-of-a-kind.

Category: Arts

Synonyms:

unique
singular

Antonyms:

common
ordinary

one-off

EventsB2

Meaning: Done only once; not repeated.

Part of speech: adjective

Example: This event is a one-off celebration.

Category: Events

Synonyms:

unique
single

Antonyms:

repeated
regular

one-on-one

CommunicationB2

Meaning: Involving only two people, especially in a conversation or interaction.

Part of speech: adjective

Example: I prefer one-on-one meetings for better communication.

Category: Communication

Synonyms:

individual
personal

Antonyms:

group
public

one-parent family

FamilyB2

Meaning: A family with only one parent raising the children.

Part of speech: noun

Example: She grew up in a one-parent family.

Category: Family

Synonyms: single-parent family

one-piece

FashionB2

Meaning: A single item, often referring to clothing.

Part of speech: noun

Example: She wore a stylish one-piece swimsuit.

Category: Fashion

Synonyms: single item

onerous

GeneralC1

Meaning: Burdensome or heavy; requiring a lot of effort.

Part of speech: adjective

Example: The task was onerous, taking all day to complete.

Category: General

Synonyms:

burdensome
demanding

Antonyms:

easy
light

ones

MathematicsA1

Meaning: The number 1, often used in counting.

Part of speech: noun

Example: I have three ones and two fives.

Category: Mathematics

Synonyms:

singles
individuals

oneself

GeneralB2

Meaning: Referring to one's own person.

Part of speech: pronoun

Example: You must take care of oneself.

Category: General

Synonyms:

yourself
myself

one-sided

CommunicationB2

Meaning: Favoring one side; not balanced.

Part of speech: adjective

Example: The debate was one-sided, with only one speaker.

Category: Communication

Synonyms:

biased
partial

Antonyms:

balanced
fair

one-stop

BusinessB2

Meaning: Providing all necessary services in one place.

Part of speech: adjective

Example: This store is a one-stop shop for all your needs.

Category: Business

Synonyms:

comprehensive
all-in-one

Antonyms:

specialized
limited

one-time

BusinessB2

Meaning: Occurring only once.

Part of speech: adjective

Example: This is a one-time offer.

Category: Business

Synonyms:

single
unique

Antonyms:

repeated
frequent

one-to-one

EducationB2

Meaning: Involving a direct relationship between two people or things.

Part of speech: adjective

Example: The teacher provides one-to-one support for students.

Category: Education

Synonyms:

individual
personal

Antonyms:

group
collective

one-upmanship

SocialC1

Meaning: The practice of trying to outdo someone.

Part of speech: noun

Example: Their conversation was filled with one-upmanship.

Category: Social

Synonyms:

competition
rivalry

Antonyms:

cooperation
collaboration

one-way

TransportationB2

Meaning: Going in one direction only.

Part of speech: adjective

Example: We took a one-way flight to New York.

Category: Transportation

Synonyms:

unidirectional
single-direction

Antonyms:

round-trip
two-way

one-woman

PerformanceB2

Meaning: Involving only one woman.

Part of speech: adjective

Example: She is a one-woman show, managing everything herself.

Category: Performance

Synonyms:

solo
individual

Antonyms:

group
team

ongoing

GeneralB2

Meaning: Continuing; not finished.

Part of speech: adjective

Example: The project is still ongoing.

Category: General

Synonyms:

continuing
unending

Antonyms:

finished
completed

onion

FoodA1

Meaning: A round vegetable with a strong taste and smell.

Part of speech: noun

Example: I added an onion to the salad.

Category: Food

Synonyms:

bulb
vegetable

online

TechnologyA2

Meaning: Connected to the internet.

Part of speech: adjective

Example: I prefer shopping online.

Category: Technology

Synonyms:

internet-based
digital

Antonyms:

offline
disconnected

onlooker

GeneralB1

Meaning: A person who watches something without participating.

Part of speech: noun

Example: The onlooker watched the street performance.

Category: General

Synonyms:

bystander
observer

only

GeneralA1

Meaning: Just; solely.

Part of speech: adverb

Example: I only want a small piece.

Category: General

Meaning 2: No one or nothing more than.

Example: She is the only one who can help.

Synonyms:

merely
exclusively

Antonyms:

also
additionally

on-message

PoliticsB2

Meaning: Staying consistent with a particular message or theme.

Part of speech: adjective

Example: The politician was always on-message during the campaign.

Category: Politics

Synonyms:

consistent
aligned

Antonyms:

off-message
inconsistent

ono

CultureC2

Meaning: A term used in some cultures to denote a type of traditional greeting or expression.

Part of speech: noun

Example: He greeted me with an ono.

Category: Culture

onomatopoeia

LinguisticsC2

Meaning: A word that imitates a sound.

Part of speech: noun

Example: Words like 'buzz' and 'sizzle' are examples of onomatopoeia.

Category: Linguistics

Synonyms:

sound word
echoic word

onomatopoeic

LinguisticsC2

Meaning: Relating to onomatopoeia; imitative of a sound.

Part of speech: adjective

Example: The word 'bang' is onomatopoeic.

Category: Linguistics

Synonyms:

sound-imitating
echoic

onrush

NatureC1

Meaning: A sudden, strong movement or flow.

Part of speech: noun

Example: The onrush of water flooded the streets.

Category: Nature

Synonyms:

surge
rush

onrushing

TransportationB2

Meaning: Moving rapidly toward something.

Part of speech: adjective

Example: The onrushing train was a sight to see.

Category: Transportation

Synonyms:

approaching
incoming

on-screen

TechnologyB2

Meaning: Displayed on a screen.

Part of speech: adjective

Example: The on-screen instructions were easy to follow.

Category: Technology

Synonyms:

displayed
visual

onset

GeneralB2

Meaning: The beginning or start of something.

Part of speech: noun

Example: The onset of winter brings colder weather.

Category: General

Synonyms:

beginning
start

Antonyms:

end
conclusion

onshore

GeographyB2

Meaning: Located on land; not at sea.

Part of speech: adjective

Example: The onshore wind is perfect for sailing.

Category: Geography

Synonyms:

land-based
coastal

Antonyms:

offshore
marine

onside

SportsB2

Meaning: In a position to play or participate, especially in sports.

Part of speech: adjective

Example: The player was onside when the ball was passed.

Category: Sports

Synonyms:

in play
eligible

Antonyms:

offside
disqualified

on-site

BusinessB2

Meaning: Located at the place where something is happening.

Part of speech: adjective

Example: The on-site manager oversees the construction.

Category: Business

Synonyms:

local
in-person

Antonyms:

remote
off-site

onslaught

MilitaryC1

Meaning: A fierce or destructive attack.

Part of speech: noun

Example: The onslaught of the storm caused significant damage.

Category: Military

Synonyms:

attack
assault

Antonyms:

defense
protection

onstage

TheaterB2

Meaning: On the stage; in a performance setting.

Part of speech: adverb

Example: The actor was onstage during the entire play.

Category: Theater

Synonyms:

performing
acting

on-the-job

EmploymentB2

Meaning: While working; in the course of one's job.

Part of speech: adjective

Example: He learned many skills on-the-job.

Category: Employment

Synonyms:

work-related
in-service

Antonyms:

off-duty
inactive

on-the-spot

GeneralB2

Meaning: Immediately; without delay.

Part of speech: adverb

Example: She made a decision on-the-spot.

Category: General

Synonyms:

immediately
instantly

Antonyms:

later
afterward

onto

GrammarA2

Meaning: Moving to a position on a surface.

Part of speech: preposition

Example: He climbed onto the roof.

Category: Grammar

Synonyms:

upon
on top of

Antonyms:

off
down

Ask OneGoCube Words AI

Browse by Category

Browse by CEFR Level