- erstwhile, former, once, onetime, quondam, sometime - belonging to some prior time; "erstwhile friend"; "our former glory"; "the once capital of the state"; "her quondam lover"
Antonym: present (indirect, via future, past)
Antonym: future (indirect, via past, present)
- once, formerly, at one time, erstwhile, erst - at a previous time; "once he loved her"; "her erstwhile writing"