what

(noun, adverb, interjection, pronoun, determiner)

adverb

1. In some manner or degree; in part; partly; usually followed by with.

- What with singing and joking, the time passed quickly.

2. Such.

- What a pity.

- What a beautiful day!

3. (obsolete) Why?

4. (now rare) Used to introduce each of two coordinate phrases or concepts; both…and.

determiner

1. Which; which kind of.

- What shirt are you going to wear?

- What time is it?

- What kind of car is that?

2. How much; how great (used in an exclamation).

- What talent he has!

- What a talent!

interjection

1. An expression of surprise or disbelief.

- What! That’s amazing.

2. Response that confirms that the user is paying attention (usually said unhappily).

3. (Britain, colloquial, dated) Is that not true?

- It’s a nice day, what? (sometimes repeated, e.g.: What-what?)

noun

1. (obsolete) Something; thing; stuff.

pronoun

1. (interrogative) Which thing, event, circumstance, etc.: used interrogatively in asking for the specification of an identity, quantity, quality, etc.

2. (relative, nonstandard) That; which.

3. (relative) That which; those that; the thing that.

- he knows what he wants;