Synonyms|396Antonyms|89|Broader|6Narrower|5Related|200

40 entries under formerly topic. ×

15
before(adjective, adverb, time, late, past)
12
at one time(expression, adjective, idiom, adverb, late)
12
erstwhile(adjective, adverb, time, last, original)
12
sometime(expression, adjective, adverb, time, moment)
11
earlier(adjective, adverb, time, late, old)
11
heretofore(adjective, adverb, time, late, past)
11
long ago(expression, adjective, idiom, adverb, time)
11
already(adjective, adverb, time, late, past)
10
late(adjective, adverb, last, original, dead)
9
quondam(adjective, adverb, last, original, late)
8
old(adjective, adverb, last, late, past)
7
in the past(verb, expression, idiom, adverb, phrasal verb)
5
bygone(adjective, adverb, last, original, late)
5
time was(expression, adjective, adverb, late, old)
4
back(adjective, adverb, late, past, earlier)
4
one(adjective, adverb, past, then, previously)
4
some time ago(expression, idiom, adverb, late, earlier)
2
aforetime(adverb, earlier, then, precede, before)
2
away back(expression, adjective, adverb, late, past)
2
back when(expression, adjective, adverb, late, old)
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APASmart Define. (2016). once thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/once/thesaurus/synonyms
ChicagoSmart Define. 2016. "once thesaurus" https://smartdefine.org/once/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, once thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/once/thesaurus/synonyms>.
MLASmart Define. "once thesaurus" 30 March 2016. Web. 24 September 2026. <https://smartdefine.org/once/thesaurus/synonyms>