Definition of O.k.

1. Noun. An endorsement. "They gave us the O.K. to go ahead"

Exact synonyms: Ok, Okay, Okeh, Okey
Generic synonyms: Countenance, Endorsement, Imprimatur, Indorsement, Sanction, Warrant
Derivative terms: Okay

2. Verb. Give sanction to. "I approve of his educational policies"
Exact synonyms: Approve, Okay, Sanction
Generic synonyms: Authorise, Authorize, Clear, Pass
Specialized synonyms: Sanction, Visa, Back, Endorse, Indorse, Plump For, Plunk For, Support, Confirm
Derivative terms: Approbation, Approbative, Approval, Approver, Ok, Okay, Sanction
Antonyms: Disapprove

3. Adjective. Being satisfactory or in satisfactory condition. "Another minute I'd have been fine"
Exact synonyms: All Right, Fine, Hunky-dory, Ok, Okay
Language type: Colloquialism
Similar to: Satisfactory

4. Adverb. In a satisfactory or adequate manner. "Held up all right under pressure"
Exact synonyms: All Right, Alright, Okay
Language type: Colloquialism

Lexicographical Neighbors of O.k.

o-chlorophenol
O-diethylaminoethyl cellulose
o-dihydricphenol meta-O-methyltransferase
o-diphenolase
O-phosphocholine
O-phosphono-
O-phosphoserine
o-phthalaldehyde
o-point
O-R system
O-sialoglycoprotein endopeptidase
o-succinylbenzoic acid synthase
O-succinylhomoserine (thiol)-lyase
o.d.
O.E.D.
O.K.
O. Henry
oaf
oafish
oafish
oafishly
oafishness
oafishnesses
oafs
Oahu
Oahu Island
oak
oak
oak-leaved goosefoot
oaken

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