(Britain, colloquial, dated) An exclamation of greeting, summons, or surprise.

(idiomatic) used to add emphasis to "what" when beginning question.

(informal) Speculation as to what might have happened if something else had happened earlier.

(US, idiomatic) Everything that is required.

An intensive form of what.

Alternative form of you know what

Alternative form of muchwhat

Alternative form of muchwhat

(obsolete) how are you?

Which, what position (in an ordered series, such as which day of the month or which floor). (This entry is a translation hub.)