A word that can function as a noun phrase used by itself and that refers either to the participants in the discourse (e.g. I, you) or to someone or something mentioned elsewhere in the discourse (e.g. she, it, this)
The pronoun it when used without definite reference or antecedent, as in it was snowing and it seems hard to believe
A pronoun that does not refer to any person, amount, or thing in particular, e.g. anything, something, anyone, everyone
Each of the pronouns in English (I, you, he, she, it, we, they, me, him, her, us, and them) comprising a set that shows contrasts of person, gender, number, and case
A pronoun indicating possession, for example mine, yours, hers, theirs
pronoun without a definite referent or antecedent, in English it
pronoun without a particular referent, e.g. anybody, something
another way of saying throw someone a curveball.