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

63 entries under idiom topic. ×

12
at one time(expression, adjective, adverb, late)
12
as soon as(conjunction, expression, verb, phrasal verb, noun)
11
long ago(expression, adjective, adverb, time)
11
one time(expression, adverb, frequency)
7
at times(expression, adverb, time, moment)
7
in the past(verb, expression, adverb, phrasal verb)
6
on one occasion(expression, adjective, adverb, past)
4
now and again(expression, time, moment, rare)
4
some time ago(expression, adverb, late, earlier)
3
at once
3
in times past(expression, adjective, adverb, past)
3
one day(expression, time)
3
one fine morning(expression, time)
2
at a stroke
2
at any time(expression, conjunction)
2
at some time
2
before now(expression, adverb, now, earlier)
2
down memory lane(expression, adjective, late, old)
2
in a jiffy(noun, expression)
2
in a trice(noun, expression)
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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>