a-okay

A-o·kay
UK/ˌeɪ.əʊˈkeɪ/US/ˌeɪ.oʊˈkeɪ/

adjective

In perfect order; thoroughly acceptable.

Similar
First used 1950s

Meanings

a-okay1

adjectivea-okay (comparative more a-okay, superlative most a-okay)

comparative more a-okay · superlative most a-okay

  1. Alternative letter-case form of A-okay.

A-okay2

adjectiveA-okay (comparative more A-okay, superlative most A-okay)

comparative more A-okay · superlative most A-okay · alternative a-okay · alternative AOK · alternative A-OK

  1. colloquialIn perfect order; thoroughly acceptable.First known use 1950s

    1952, advertisement by Midvac Steels. "The Golden Age of Advertising - the 50s", p. 57, Ed. Jim Heimann, Taschen 2005. A-OK for tomorrow's missile demands.

    2 more examples

    1970, Mike Brewer and Tom Shipley, Tarkio, "Oh Mommy" It says right there in the constitution, It's really A-okay to have a revolution, When the leaders that you choose Really don't fit their shoes.

    Any KOA is A-OK as long as I'm with you.

    2013, Kacey Musgraves, My House

    Synonyms: okay

Synonyms & antonyms

adjectiveIn perfect order; thoroughly acceptable.

Similar

More synonyms by meaning

adjectivein perfect condition or order

Similar

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

First attested in 1952 in the US, popularized in the 1960s by John A. Powers as NASA's public affairs officer for Project Mercury: the "voice of Mercury Control". Intensive form of okay, presumably "all [systems] okay".

Full word history & related roots →

Rhymes & wordplay

Rhymes with a-okay

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Cite this entry
APA

a-okay. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/a-okay

MLA

“a-okay.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/a-okay. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “a-okay,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/a-okay.

Source: a-okay on Wiktionary, CC BY-SA 4.0.