(rare) Because of, due to.

What about; used to ask someone to consider something or someone that they have apparently not considered.

Asks the interlocutor to identify an indicated object.

(idiomatic, dated) Something of the kind, whatever (used to terminate a vague list).

Alternative spelling of whatnot

(colloquial) What did you just say? / Used other than figuratively or idiomatically: see what, was, that.

(colloquial) What is that? / (colloquial) What was that?

(slang, African-American Vernacular) A casual greeting.

(colloquial, sometimes rhetorical question) What is wrong with. / (colloquial, sometimes rhetorical question) What is the reason for.

(by ellipsis) Used to express astonishment or incredulity, as a question or questioning of the situation at hand, without requiring any specific vulgarity as intensifier.