Inquisitive
Part of speech: adjective
Definition: Eager to acquire knowledge. Too curious; overly interested; nosy.
Example sentence: I think most young professionals would be surprised to learn how accommodating employers can be to inquisitive potential candidates.
Inquiring
Part of speech: verb
Definition: To ask (about something).
Example sentence: If you don't know somebody, whether you're inquiring into their sex or their gender, it's invasive.