(transitive, slang) To flirt with; to approach and speak to (someone), seeking romance, love, sex, etc. / (transitive, idiomatic) To discover, pinpoint; to think up; to realize.

(idiomatic) In understanding or in the ability to absorb new information; especially in the phrases "quick on the uptake" and "slow on the uptake".

(idiomatic, transitive) To obtain, acquire or get and keep hold of something.

(of a door) Closed but not locked, so that it can be opened by operating the latch.

(idiomatic) To be busy or thoroughly preoccupied.

Of or relating to ontology. / Of or pertaining to the nature of being or existence.

(idiomatic) Self-righteous; proceeding on the belief one is more correct or proper than others.

A student athlete who wants to try out for a college sports/athletic team without the benefit of a scholarship or having been recruited.

(idiomatic) To receive physical abuse and to survive. / (figuratively) To endure through criticism or other adversity.

Very nearly; imminent; close.