43 entries under obsolete topic. ×

26
past(verb, adjective, phrasal verb, order, time)
19
erstwhile(adjective, order, time, last, original)
19
quondam(adjective, adverb, order, time, last)
18
bygone(adjective, order, time, last, original)
18
old(adjective, order, time, last, late)
17
late(adjective, adverb, order, time, last)
16
sometime(adjective, adverb, order, time, last)
10
once(adjective, adverb, order, time, last)
9
olden(adjective, original, dead, late, old)
9
early(adjective, last, original, late, old)
4
antediluvian(last, original, past, primitive, venerable)
4
of yore(expression, adjective, order, time, last)
3
old-time(adjective, last, original, dead, past)
2
antique(last, original, past, primitive, venerable)
2
immemorial(last, original, past, primitive, venerable)
2
of old(expression, adjective, idiom, last, original)
2
original(adjective, last, past, primitive, primary)
1
age-old(last, original, past, primitive, venerable)
1
antiquated(adjective, last, original, dead, past)
1
archaic(adjective, last, original, dead, past)
<123>
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APASmart Define. (2015). former thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/former/thesaurus/synonyms
ChicagoSmart Define. 2015. "former thesaurus" https://smartdefine.org/former/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, former thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/former/thesaurus/synonyms>.
MLASmart Define. "former thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/former/thesaurus/synonyms>