81 entries under rare topic. ×

2
nondescript(special, unconformity)
2
scant(adjective, inadequate, limited, insufficient)
2
seldom(adjective, light, thin, exceptional, special)
2
standout(adjective, informal, usual, better)
2
startling(adjective, separate, extraordinary, strange, special)
2
wanting(adjective, inadequate, limited, insufficient)
1
egregious(severe, harsh, exceptional, special, immoral)
1
few(adjective, light, thin, exceptional, special)
1
few and far between(expression, adjective, idiom, exceptional, usual)
1
incomparable(adjective, excellent, special, brilliant)
1
intermittent(adjective, casual, irregular, unpredictable, unreliable)
1
semioccasional(adjective, light, thin, exceptional, short)
1
something else(expression, adjective, separate, important, famous)
1
spasmodic(irregular, odd, unpredictable, unreliable)
0
failing(adjective, inadequate, limited, insufficient)
0
fitful(irregular, unpredictable, unreliable, uncommon)
0
out of the way(expression, idiom, special)
0
shortened(adjective, inadequate, limited, insufficient)
0
stray(irregular, odd, unpredictable, unreliable)
0
truncated(adjective, inadequate, limited, insufficient)
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APASmart Define. (2016). unusual thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/unusual/thesaurus/synonyms
ChicagoSmart Define. 2016. "unusual thesaurus" https://smartdefine.org/unusual/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2016, unusual thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/unusual/thesaurus/synonyms>.
MLASmart Define. "unusual thesaurus" 31 March 2016. Web. 1 October 2026. <https://smartdefine.org/unusual/thesaurus/synonyms>