Synonyms of erstwhile

Adjective

1. erstwhile(prenominal), former(prenominal), old, onetime(prenominal), one-time(prenominal), quondam(prenominal), sometime(prenominal), past (vs. present) (vs. future)

usage: belonging to some prior time; "erstwhile friend"; "our former glory"; "the once capital of the state"; "her quondam lover"

Adverb

1. once, formerly, at one time, erstwhile, erst

usage: at a previous time; "at one time he loved her"; "her erstwhile writing"; "she was a dancer once";

Definition and meaning of erstwhile (Dictionary)