88 entries under expression topic. ×

1
but once(adjective, adverb, past, then)
1
eons ago(adverb, earlier, then, before)
1
good old days(idiom, late, old, past)
1
in former times(idiom, adverb, earlier, then)
1
in olden days(idiom, adverb)
1
in one case(idiom, adverb)
1
in the old days(adjective, idiom, adverb, past)
1
in the olden days(adjective, idiom, adverb, late)
1
in the singular
1
in times gone by(adjective, idiom, adverb, past)
1
no longer(idiom, the past)
1
no matter when
1
once for all
1
once upon a time(adjective, idiom, adverb, late)
1
one by one
1
one fine day(idiom, time)
1
one time before(adjective, idiom, adverb, past)
1
one time previously(adjective, idiom, adverb, past)
1
only one time(adjective, idiom, adverb, past)
1
this time(adjective, adverb, past, then)
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APASmart Define. (2016). once thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/once/thesaurus/synonyms
ChicagoSmart Define. 2016. "once thesaurus" https://smartdefine.org/once/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, once thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/once/thesaurus/synonyms>.
MLASmart Define. "once thesaurus" 30 March 2016. Web. 21 September 2026. <https://smartdefine.org/once/thesaurus/synonyms>