51 entries under adverb topic. ×

4
once in a while(expression, time, moment, rare)
3
on and off(expression, adjective, time, moment)
3
periodically(intermittently, occasionally, sporadically, haphazardly)
3
unfrequently
2
seldomly
2
very seldom(variable, vacillating, intermittent, intermittently)
1
alternately(variable, vacillating, intermittent, intermittently)
1
extra(hardly, especially, unusually, seldom)
1
extremely(hardly, especially, unusually, seldom)
1
fluctuating(variable, vacillating, intermittent, intermittently)
1
intermittent(adjective, variable, vacillating, intermittently)
1
oddly
1
on-and-off(variable, intermittent, intermittently, sporadically)
1
remarkably(hardly, especially, unusually, seldom)
1
strangely(especially, unusually, rarely, uncommonly)
1
uncertainly(variable, intermittent, intermittently, sporadically)
1
unwontedly
1
when the mood strikes(variable, vacillating, intermittent, intermittently)
0
a few times
0
almost never
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APASmart Define. (2015). infrequently thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/infrequently/thesaurus/synonyms
ChicagoSmart Define. 2015. "infrequently thesaurus" https://smartdefine.org/infrequently/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, infrequently thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/infrequently/thesaurus/synonyms>.
MLASmart Define. "infrequently thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/infrequently/thesaurus/synonyms>