21 entries under idiom topic. ×

2
down memory lane(expression, adverb, earlier, then)
2
in former times(expression, adverb, earlier, then)
2
in the olden days(expression, adverb, late, earlier)
2
in the past(verb, expression, adverb, phrasal verb)
2
once upon a time(expression, adverb, late, earlier)
2
some time ago(expression, adverb, late, earlier)
2
used to be(expression, adverb, earlier, then)
2
water under the bridge(expression, adverb, earlier, then)
1
all at once
1
in the old days(expression, adverb, late, earlier)
1
in times gone by(expression, adverb, late, earlier)
1
in times past(expression, adverb, late, earlier)
1
on one occasion(expression, adverb, late, earlier)
1
one time before(expression, adverb, late, earlier)
1
one time previously(expression, adverb, late, earlier)
1
only one time(expression, adverb, late, earlier)
1
then and there
0
in old days(expression, once, hitherto, sometime)
0
in olden days
0
some other time
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APASmart Define. (2015). at one time thesaurus. Retrieved September 26, 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 26, 2026).
HarvardSmart Define 2015, at one time thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/at_one_time/thesaurus/synonyms>.
MLASmart Define. "at one time thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/at_one_time/thesaurus/synonyms>