2
out-of-date(adjective, hard, last, original, dead)
2
out of style(expression, idiom, odd, old, primitive)
2
outworn(adjective, odd, old, primitive, unfashionable)
2
passed(split, away, lacking, finished, absent)
2
past perfect(expression, idiom)
2
period
2
retired(adjective, split, old, away, lacking)
2
settled(adjective, finished, ended)
2
space
2
stale(adjective, hard, last, original, old)
2
superannuated(adjective, original, odd, old, primitive)
2
tense
2
term
2
terminated(adjective, finished, ended)
2
tide
2
unfashionable(adjective, last, original, odd, old)
2
up(finished, ended)
2
while
1
AWOL(split, away, lacking, finished, absent)
1
aboriginal(last, original, primitive, venerable, outdated)
11 years ago|20k views|share |citing 
APASmart Define. (2015). past thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/past/thesaurus/synonyms
ChicagoSmart Define. 2015. "past thesaurus" https://smartdefine.org/past/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, past thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/past/thesaurus/synonyms>.
MLASmart Define. "past thesaurus" 25 May 2015. Web. 23 September 2026. <https://smartdefine.org/past/thesaurus/synonyms>