The quality of being something else.

A surname.

(idiomatic) No matter what (implies an unspecified threat).

Otherwise or as an alternative.

(postpositive, used only with indefinite or interrogative pronouns) Other; in addition to previously mentioned items.

For otherwise; or else.

(usually follows interrogative adverbs) Otherwise, if not.

synonym of everyone else

(programming) A potential ambiguity in a programming language that occurs when an else clause can be associated with either a nested conditional or with the clause that encloses the nested conditional.

(US) Alternative form of somewhere else.