Synonyms|396Antonyms|89|Broader|6Narrower|5Related|200
1
radically(adverb, earlier, then, before, erstwhile)
1
relic(last, original, past, primitive, venerable)
1
remote(last, original, past, primitive, venerable)
1
retired(adjective, late, old, past, previous)
1
rusty(last, original, past, primitive, venerable)
1
separately
1
severally
1
since
1
single-handedly
1
singly
1
singularly
1
stale(last, original, past, venerable, outdated)
1
superannuated(original, past, venerable, outdated, obsolete)
1
supposing
1
this time(expression, adjective, adverb, past, then)
1
till
1
time-worn(adjective, last, original, primitive, venerable)
1
traditional(last, original, past, primitive, venerable)
1
unfashionable(last, original, past, primitive, venerable)
1
unoriginal(last, original, past, venerable, outdated)
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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>