Nouns

(n)neutera gender that refers chiefly (but not exclusively) to inanimate objects (neither masculine nor feminine)

Verbs

(v)alter, neuter, spay, castrateremove the ovaries of“Is your cat spayed?”

Adjectives

(a)neuterneither male nor female (of grammatical gender)“‘it’ is the third-person singular neuter pronoun”
(s)neuter, sexlesshaving no or imperfectly developed or nonfunctional sex organs