present participle of get to know

(idiomatic) To be unlimited in scope or extent.

Alternative form of God knows

The quality of being a know-it-all.

plural of know-everything

Alternative form of know-everything

Synonym of know-it-all / A highly knowledgeable person; expert.

Someone who does not give a definite opinion in a questionnaire / Something one is uncertain about.

Alternative form of I don't know

Used to indicate that the response is probably no, but that the speaker is not entirely certain.