Definitions

1. adverb

expressing agreement or confirmation

“She said ‘ok’ and hung up the phone.”

2. interjection

used to express agreement or confirmation

“Ok, let’s get started with the presentation.”

3. noun

an expression used to indicate acceptance or agreement

“The ‘ok’ sign was made famous by a 19th-century painter.”

4. verb

to make something acceptable or agreeable

“The manager tried to ok the new project proposal.”