Is it neither is or neither are?

Neither is, not neither are, is grammatically correct because “neither” is a singular indefinite pronoun (e.g., “Neither (option) is okay”).

However, in informal English, we sometimes say “neither of X are” (e.g., “I think neither of those options are acceptable,” “I think neither of them are acceptable”) and “neither X nor Y are” (e.g., “Neither David nor Elise are here today”).

Deciding if is or are is grammatically correct with indefinite pronouns can be tricky. You can use QuillBot’s free Grammar Checker to help you check your sentences for correct subject-verb agreement.