21 entries under once topic. ×

21
occasionally(expression, adverb, time, moment, rare)
17
sometimes(expression, adverb, time, moment, rare)
14
on occasion(expression, idiom, adverb, time, moment)
12
now and again(expression, idiom, adverb, time, moment)
11
infrequently(expression, adverb, time, moment, rare)
11
intermittently(expression, adverb, time, rare, variable)
10
at times(expression, idiom, adverb, time, moment)
10
every so often(expression, idiom, adverb, time, moment)
10
once in a while(expression, idiom, adverb, time, moment)
9
sporadically(expression, adverb, time, rare, variable)
8
from time to time(expression, idiom, adverb, time, moment)
8
off and on(verb, expression, adverb, phrasal verb, time)
6
at intervals(expression, adverb, time, rare, frequency)
6
every once in a while(expression, adverb, time, moment, rare)
6
once and again(expression, idiom, adverb, time, moment)
6
periodically(expression, adverb, time, rare, frequency)
5
every now and then(expression, idiom, adverb, time, moment)
5
irregularly(adverb, variable, vacillating, intermittent)
1
hardly
1
not often(expression, adverb, variable, hardly, intermittent)
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APASmart Define. (2015). now and then thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/now_and_then/thesaurus/synonyms
ChicagoSmart Define. 2015. "now and then thesaurus" https://smartdefine.org/now_and_then/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, now and then thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/now_and_then/thesaurus/synonyms>.
MLASmart Define. "now and then thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/now_and_then/thesaurus/synonyms>