what
1. what
An expression used to ask about a business, subject or object that one is not sure of or does not exactly know.
2. whichever
An adjective used to refer to something unspecified.
3. what on earth
An adjective used to emphasize one's dissatisfaction with something unexpected.
4. what on earth
An adjective used to emphasize one's objection.
7 more sentences in the app — free account.