22 entries under idiom topic. ×

15
now and then(expression, adverb, time, moment)
11
every so often(expression, adverb, time, moment)
11
off and on(expression, adverb, time, moment)
7
every once in a while(expression, adverb, time, moment)
1
at irregular intervals(expression, adverb, uncertainly, variably)
1
at one time(expression, once, hitherto, sometime)
1
in the old days(expression, once, hitherto, sometime)
1
in the olden days(expression, once, hitherto, sometime)
1
in times gone by(expression, once, hitherto, sometime)
1
in times past(expression, once, hitherto, sometime)
1
on one occasion(expression, once, hitherto, sometime)
1
once upon a time(expression, once, hitherto, sometime)
1
one time before(expression, once, hitherto, sometime)
1
one time previously(expression, once, hitherto, sometime)
1
only one time(expression, once, hitherto, sometime)
1
when the mood strikes(expression, adverb, uncertainly, variably)
0
back and forth(expression, adverb, variably, alternately)
0
from pillar to post(expression, adverb, variably, alternately)
0
from side to side(expression, adverb, variably, alternately)
0
in and out(expression, adverb, variably, alternately)
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APASmart Define. (2015). on occasion thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/on_occasion/thesaurus/synonyms
ChicagoSmart Define. 2015. "on occasion thesaurus" https://smartdefine.org/on_occasion/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, on occasion thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/on_occasion/thesaurus/synonyms>.
MLASmart Define. "on occasion thesaurus" 14 April 2015. Web. 30 September 2026. <https://smartdefine.org/on_occasion/thesaurus/synonyms>