Definitions

OK

[oh-key, oh-key, oh-key] / ˈoʊˈkeɪ, ˌoʊˈkeɪ, ˈoʊˌkeɪ /

ADJECTIVE

acceptable

Synonyms

STRONG

average common cool fair hip kosher large moderate okay pleasing standard swell welcome

WEAK

A-OK adequate admissible all right big cooking with gas copacetic decent delightful fairish goodish hep hunky-dory in the swim on the ball on the beam passable peachy keen pleasant respectable right on satisfactory sufficient tolerable trendy unexceptional unobjectionable up to code up to snuff

Antonyms

STRONG

abnormal bad extraordinary extreme unacceptable unreasonable unusual

ADVERB

yes

Synonyms

STRONGEST

fine okay

STRONG

affirmative amen good true yea

WEAK

absolutely agreed all right assuredly aye beyond a doubt by all means certainly definitely even so exactly gladly good enough granted indubitably just so most assuredly naturally of course positively precisely roger sure thing surely undoubtedly unquestionably very well willingly without fail yep

NOUN

permission

Synonyms

STRONGEST

okay

STRONG

acceptance acknowledgment acquiescence admission agreement allowance approbation approval assent authorization avowal canonization concession concurrence condonation consent dispensation empowerment endorsement freedom imprimatur indulgence leave letting liberty license permit privilege promise recognition sanctification sanction sufferance tolerance toleration verification warrant

WEAK

carte blanche condonance rubber stamp stamp of approval

Antonyms

STRONG

break denial difference disagreement disapproval dissent imprisonment incarceration limitation opposition prohibition protest refusal rejection repudiation restraint restriction veto

NOUN

acceptance

Synonyms

STRONGEST

okay permission yes

STRONG

acknowledgment acquiescence acquiring admission agreement approval assent compliance consent cooperation getting go ahead nod receipt reception recognition undertaking

WEAK

accepting gaining green light obtaining receiving securing taking on

Antonyms

STRONGEST

denial veto

STRONG

disagreement disapproval dissension dissent opposition refusal rejection

VERB

permit

Synonyms

STRONG

boost buy charter consent franchise grant have humor leave let license okay pass privilege sanction sign warrant

WEAK

abet accede accept acquiesce admit agree allow approbate approve authorize bless blink at concede concur condone empower enable endorse endure give a thumbs-up give leave give permission go for indulge let pass sanctify say yes shake on sign off on suffer take kindly to tolerate wink at

Antonyms

STRONG

deny disagree disapprove hinder hold keep prevent refuse sell veto

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Ok was especially alarmed to see forklifts, which are responsible for a significant number of construction deaths, speeding around, often unaided by required spotters.

From The Wall Street Journal • Oct. 12, 2025

"Ok," said Trump as Rubio went back to his seat, motioning for reporters to be quiet as they shouted questions.

From Barron's • Oct. 9, 2025

On Friday, lawyer Veysel Ok asked the judge to acquit them on the grounds that they were reporting on, not participating, in the protests, the AFP news agency reported.

From BBC • Apr. 18, 2025

Ok, but we don’t know exactly what happened with Nuzzi and RFK Jr. …

From Slate • Sep. 20, 2024

Ok I guess you won’t sit with me at lunch.

From "The Serpent King" by Jeff Zentner

Vocabulary lists containing OK

Scrabble: Two-Letter Words

Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!

OK

Example Sentences

Related Words

Vocabulary lists containing OK

Scrabble: Two-Letter Words