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A-OK |
Also found in: Acronyms | 0.01 sec. |
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A-OK, A-okay adj Informal chiefly US in perfect working order; excellent [from a(ll systems) OK] A-OK - Astronauts on the Mercury Project in 1961 popularized A-OK, meaning "excellent, perfect"; it was coined by blending the adjective "A," as in A-one or A1, meaning "first-class," with "OK." See also related terms for perfect.
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