Definition of "what"
- pronoun
Which thing, event, circumstance, etc.: used interrogatively in asking for the specification of an identity, quantity, quality, etc.
An interrogative which asks "Don't you agree?".
That; which.
That which; those that; the thing that.
- adverb
In some manner or degree; in part; partly; usually followed by with.
Such; this is; that is.
Why?.
Used to introduce each of two coordinate phrases or concepts; both ... and.
- interjection
An expression of surprise or disbelief.
Is that not true?.
- determiner
Which; which kind of.
How much; how great (used in an exclamation).
- Sources