The approving of an action, especially when done by one in authority
The act or process of accepting
To give one's consent to
It is so; as you say or ask
Of moderately good quality but less than excellent
"I'm OK," she said in a voice saturated with tears.
Carmen formed the OK sign with her fingers and winked.
Ok, but I'm going to hold you to that.
Is it OK to dump nuclear waste in the ocean?
He winked and made the OK hand sign.