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definitions
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A-OK

or A-O.K., A-O·kay

[ey-oh-key]
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adjective, adverb
  1. Informal. OK; perfect: an A-OK rocket launching.
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Origin of A-OK

First recorded in 1955–60
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words

pleasantsatisfactoryacceptableenjoyableattractivetemptingappetizingsplendidfoolproofsuperbidealpureexcellentimpeccablesatisfyingfairsoliddecentgratifyinggood

British Dictionary definitions for aok

A-OK

A-okay

adjective
  1. informal, mainly US in perfect working order; excellent
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Word Origin

C20: from a (ll systems) OK
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for aok

A-OK

1961, said to be an abbreviation of all (systems) OK; popularized in the jargon of U.S. astronauts. See OK.

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Online Etymology Dictionary, © 2010 Douglas Harper