17 entries under expression topic. ×

2
hardly ever(adverb, hardly, unusually, rarely)
2
once in a while(adverb, hardly, infrequently, intermittently)
1
at intervals(adverb, uncertainly, intermittently, occasionally)
1
at irregular intervals(idiom, adverb, variable, vacillating)
1
every once in a while(idiom, adverb, intermittently, occasionally)
1
every so often(idiom, adverb, intermittently, occasionally)
1
off and on(idiom, adverb, variable, intermittently)
1
on occasion(adverb, unusually, intermittently, occasionally)
1
very seldom(adverb, variable, vacillating, intermittent)
1
when the mood strikes(idiom, adverb, variable, vacillating)
0
on and off(adjective, idiom, adverb, variable)
0
back and forth(idiom, variably, alternately)
0
from pillar to post(idiom, variably, alternately)
0
from side to side(idiom, variably, alternately)
0
in and out(idiom, variably, alternately)
0
now then(adverb, uncertainly, intermittently, occasionally)
0
up and down(idiom, variably, alternately)
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APASmart Define. (2015). not often thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/not_often/thesaurus/synonyms
ChicagoSmart Define. 2015. "not often thesaurus" https://smartdefine.org/not_often/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, not often thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/not_often/thesaurus/synonyms>.
MLASmart Define. "not often thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/not_often/thesaurus/synonyms>