wot

To know.

An expression of surprise or disbelief.

What do you want? An abrupt, usually unfriendly enquiry as to what a person desires.

“What? I'm busy.”

Clipping of what do you say?

What did you say? I beg your pardon?

(typically with a) An intensifier to an adjective phrase; used to begin a sentence.

“What a nice car.”

(Singlish) Used to contradict an underlying assumption held by the interlocutor.

(usually followed by "with," but also sometimes "would" or "might," especially in finance) In some manner or degree; in part; partly. See also what with

“The market will calculate these higher risks in their funding costs what might result in higher lending rates.”

Such.

“What a beautiful day!”

Why.

Used to introduce each of two coordinate phrases or concepts; both…and.