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A-OKalso A-O·kay (ā′ō-kā′)
Perfectly all right: The doctor said it was A-OK to discontinue the medicine.
A-OK adv. & n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
informal chiefly US in perfect working order; excellent
[C20: from a(ll systems) OK]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
or A-O•kay(ˈeɪ oʊˈkeɪ)
Informal. OK; perfect.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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.
Farlex Trivia Dictionary. © 2012 Farlex, Inc. All rights reserved.