95 entries under past topic. ×

1
in times gone by(expression, adjective, idiom, adverb)
1
latter(adjective, late, old, previous)
1
latter-day(adjective, late, old, previous)
1
long-ago(adjective, late, old, previous)
1
moth-eaten(last, original, venerable, outdated)
1
old-fashioned(last, original, venerable, outdated)
1
old-time(last, original, primitive, venerable)
1
once upon a time(expression, adjective, idiom, adverb, late)
1
one time before(expression, adjective, idiom, adverb)
1
one time previously(expression, adjective, idiom, adverb)
1
only one time(expression, adjective, idiom, adverb)
1
original(last, traditional, primitive, venerable)
1
out-of-date(last, original, other, obsolete)
1
outmoded(last, original, other, outdated)
1
over(adjective, late, old, previous)
1
preceding(adjective, late, old, previous)
1
primordial(last, original, primitive, venerable)
1
pristine(last, original, primitive, venerable)
1
relic(last, original, primitive, venerable)
1
remote(last, original, primitive, venerable)
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APASmart Define. (2016). once thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/once/thesaurus/synonyms
ChicagoSmart Define. 2016. "once thesaurus" https://smartdefine.org/once/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, once thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/once/thesaurus/synonyms>.
MLASmart Define. "once thesaurus" 30 March 2016. Web. 28 September 2026. <https://smartdefine.org/once/thesaurus/synonyms>