2
bizarre(adjective, unusual, special, rare, scarce)
2
curious(adjective, unusual, special, rare, scarce)
2
few and far between(expression, adjective, idiom, slight, thin)
2
hardly any(expression, adjective, idiom, fewness)
2
inconceivable(adjective, strange, exceptional, valuable, rare)
2
incredible(adjective, rare, scarce, unfamiliar, uncommon)
2
niggardly
2
periodic
2
phenomenal(adjective, excellent, extraordinary, strange, special)
2
piddling
2
poor(thin, spare, inadequate, deficient, scarce)
2
scarcely any(expression, adjective, idiom, fewness)
2
scrimpy(thin, spare, scarce)
2
several(adjective, various, assorted)
2
short(adjective, weak, slight, poor, strange)
2
skimpy(slight, poor, thin, inferior, short)
2
slim
2
slow
2
spotty
2
stingy
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APASmart Define. (2015). infrequent thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/infrequent/thesaurus/synonyms
ChicagoSmart Define. 2015. "infrequent thesaurus" https://smartdefine.org/infrequent/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, infrequent thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/infrequent/thesaurus/synonyms>.
MLASmart Define. "infrequent thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/infrequent/thesaurus/synonyms>