A-okay
//ˌeɪ.əʊˈkeɪ// adj, slang
adj, slang ·Moderate ·College level
Definitions
Adjective
- 1 In perfect order; thoroughly acceptable. colloquial
"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 Alternative letter-case form of A-okay. alt-of
Adjective
- 1 in perfect condition or order wordnet
Example
More examples"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."
Etymology
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".
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.