Synonyms|94Antonyms|2|Broader|1Narrower|0Related|22
2
in former times(expression, idiom, adverb, earlier, then)
2
in the olden days(expression, idiom, adverb, late, earlier)
2
in the past(verb, expression, idiom, adverb, phrasal verb)
2
lately(adverb, earlier, then, before, once)
2
long ago(expression, adverb, late, earlier, then)
2
of old(expression, adverb, earlier, then, before)
2
of yore(expression, adverb, earlier, then, before)
2
olden days(expression, adverb, earlier, then, before)
2
once upon a time(expression, idiom, adverb, late, earlier)
2
radically(adverb, earlier, then, before, once)
2
some time ago(expression, idiom, adverb, late, earlier)
2
time
2
time was(expression, adverb, late, earlier, then)
2
used to be(expression, idiom, adverb, earlier, then)
2
water under the bridge(expression, idiom, adverb, earlier, then)
1
all at once(expression, idiom)
1
all together
1
as one
1
at a time
1
but once(expression, adverb, late, earlier, before)
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APASmart Define. (2015). at one time thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/at_one_time/thesaurus/synonyms
ChicagoSmart Define. 2015. "at one time thesaurus" https://smartdefine.org/at_one_time/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, at one time thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/at_one_time/thesaurus/synonyms>.
MLASmart Define. "at one time thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/at_one_time/thesaurus/synonyms>