64 entries under adjective topic. ×

20
former(noun, adverb, order, time)
18
quondam(last, original, dead, late)
16
previous(adverb, last, dead, late)
15
old(last, late, past, previous)
15
past(original, old, previous, former)
14
sometime(adverb, last, original, dead)
13
late(last, original, dead, old)
12
once(adverb, last, original, late)
12
prior(late, old, past, previous)
11
one-time(last, dead, late, old)
10
whilom
9
bygone(last, original, late, old)
9
onetime(last, original, primitive, venerable)
9
preceding(late, old, past, previous)
8
earlier(adverb, late, old, past)
7
recent(late, old, past, previous)
6
olden(original, dead, late, old)
5
early(last, original, late, old)
5
last(past, previous, other, ex-)
4
foregoing(late, old, past, previous)
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APASmart Define. (2015). erstwhile thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/erstwhile/thesaurus/synonyms
ChicagoSmart Define. 2015. "erstwhile thesaurus" https://smartdefine.org/erstwhile/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, erstwhile thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/erstwhile/thesaurus/synonyms>.
MLASmart Define. "erstwhile thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/erstwhile/thesaurus/synonyms>