or A-O.K., A-O·kay
Informal. OK; perfect: an A-OK rocket launching.
Origin of A-OK
First recorded in 1955–60
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Related Words for aokpleasant, satisfactory, acceptable, enjoyable, attractive, tempting, appetizing, splendid, foolproof, superb, ideal, pure, excellent, impeccable, satisfying, fair, solid, decent, gratifying, good
informal, mainly US in perfect working order; excellent
Word Origin for A-OK
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
1961, said to be an abbreviation of all (systems) OK; popularized in the jargon of U.S. astronauts. See OK.
Online Etymology Dictionary, © 2010 Douglas Harper