, in assenting or agreeing also ˈō-ˌkā\
Definition of OK
(Entry 1 of 4)
OK
noun
\
Definition of OK (Entry 2 of 4)
OK
verb
\
Definition of OK (Entry 3 of 4)
OK
abbreviationDefinition of OK (Entry 4 of 4)
Keep scrolling for more
Synonyms & Antonyms for OK
Synonyms: Adverb or adjective
agreeable, all right, alright, copacetic (also copasetic), ducky, fine, good, hunky-dory, jake [slang], palatable, satisfactory
Synonyms: Noun
approbation, approval, blessing, favor, imprimatur
Synonyms: Verb
accredit, approbate, approve, authorize, clear, confirm, finalize, formalize, homologate, ratify, sanction, warrant
Antonyms: Adverb or adjective
Antonyms: Noun
disapprobation, disapproval, disfavor
Antonyms: Verb
decline, deny, disallow, disapprove, negative, reject, turn down, veto
Visit the Thesaurus for More
Examples of OK in a Sentence
Noun
We need her OK on this before we place the order. The boss gave his okay.Verb
The boss needs to OK this before we place the order. a judge will have to OK the search warrant
Keep scrolling for more
Learn More about OK
From the Editors at Merriam-Webster
The Hilarious History of 'OK'
The Hilarious History of 'OK'
The English language's most successful export is a joke
Statistics for OK
Look-up Popularity
Keep scrolling for more
More Definitions for OK
OK
adverb
English Language Learners Definition of OK
(Entry 1 of 3)
OK
verb
English Language Learners Definition of OK (Entry 3 of 3)
See the full definition for OK in the English Language Learners Dictionary
Kids Definition of OK
(Entry 1 of 4)
OK
nounKids Definition of OK (Entry 2 of 4)
OK
verbKids Definition of OK (Entry 3 of 4)
OK
abbreviationKids Definition of OK (Entry 4 of 4)
Keep scrolling for more
Comments on OK
What made you want to look up OK? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
Words from Greek and Latin Quiz
-
- Which of the following months comes from a Latin word for “ten”?
Test your vocabulary with our 10-question quiz!
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZ
-
Words from Greek and Latin Quiz
Finally! A use for those SAT prep classes.
Take the quiz -
Name That Thing: Animal Edition
How many animals can you identify?
Take the quiz -
How Strong Is Your Vocabulary?
Test your vocabulary with our 10-question quiz!
Take the quiz -
SCRABBLE® Sprint
SCRABBLE® fans, sharpen your skills!
Play the game
Share OK
Resources for OK