118 entries under adjective topic. ×

21
rare(weak, slight, excellent, poor)
18
uncommon(slight, excellent, thin, extraordinary)
16
unusual(excellent, extraordinary, exceptional, usual)
15
sparse(slight, thin, certain, strange)
14
occasional(slight, thin, strange, exceptional)
12
sporadic(slight, thin, unusual, strange)
11
scarce(weak, slight, excellent, poor)
8
few(unusual, strange, exceptional, special)
8
intermittent(regular, irregular, routine, unreliable)
8
scanty(weak, slight, poor, thin)
7
exceptional(excellent, extraordinary, unusual, strange)
7
singular(excellent, extraordinary, unusual, exceptional)
7
unwonted(unusual, strange, exceptional, special)
6
deficient(poor, strange, exceptional, inadequate)
6
irregular(excellent, extraordinary, unusual, special)
6
limited(strange, exceptional, inadequate, valuable)
6
odd(excellent, extraordinary, unusual, strange)
6
scant(weak, slight, poor, thin)
6
seldom(adverb, slight, unusual, strange)
5
exiguous(slight, poor, thin, inferior)
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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>