5
scarcely ever(expression, idiom, adverb, infrequently, infrequency)
4
infrequent(adjective, slight, unusual, strange, exceptional)
4
irregularly(adverb, infrequently)
4
just(adverb, frequency)
4
now and then(expression, idiom, adverb, hardly, unusually)
4
unfrequent
3
deficient(adjective, light, thin, strange, exceptional)
3
insufficient(adjective, slight, short, inadequate, limited)
3
once in a while(expression, adverb, hardly, rarely, infrequently)
3
scanty(adjective, light, slight, thin, strange)
3
sparse(adjective, light, slight, thin, strange)
3
unfrequently
3
unusual(adjective, light, thin, exceptional, special)
2
abnormally
2
adverb of time(expression, idiom)
2
at infrequent intervals(expression, idiom)
2
erratic
2
extraordinarily
2
highly
2
inadequate
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APASmart Define. (2015). seldom thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/seldom/thesaurus/synonyms
ChicagoSmart Define. 2015. "seldom thesaurus" https://smartdefine.org/seldom/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, seldom thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/seldom/thesaurus/synonyms>.
MLASmart Define. "seldom thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/seldom/thesaurus/synonyms>