Longman Dictionary of Contemporary English homepage

Date: 1900-2000
Origin: all (systems) OK

A-OK

adjective
     
A-OK American English spoken informal
in good condition [= satisfactory]:
We took the car in for a check, and it was A-OK.
A-OK adverb:
Everything's been going A-OK since Jack got home.

Dictionary pictures of the day
Do you know what each of these is called?
What is the word for picture 1? What is the word for picture 2? What is the word for picture 3? What is the word for picture 4?
Click on any of the pictures above to find out what it is called.

Explore our topic dictionary