A-OK


Concise Oxford English Dictionary © 2008 Oxford University Press:
A-OK /eɪəʊˈkeɪ/ (also A-okay)
adjective & adverb N. Amer. informal in a good order or manner; all right.
– origin 1960s (orig. an astronauts' term): from all systems OK.
'A-OK' also found in these Oxford entries:

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