Synonyms and Antonyms for
erstwhile
1. erstwhile (adj.)
belonging to some prior time
Synonyms:
past
old
quondam
onetime
sometime
one-time
former
Antonyms:
future
present
current
new
incoming
2. erstwhile (adv.)
at a previous time;
Synonyms:
erst
at one time
formerly
once
Antonyms:
immature
young
inexperienced
junior
modern
