5
eerie(adjective, extraordinary, strange, wonderful, marvelous)
5
eminent(adjective, great, extraordinary, strange, famous)
5
eye-catching(remarkable, conspicuous, noticeable)
5
important(adjective, solid, extraordinary, strange, wonderful)
5
ingenious(adjective, fundamental, novel, unique, innovative)
5
inventive(adjective, fundamental, novel, unique, innovative)
5
occasional(adjective, light, thin, exceptional, usual)
5
one-of-a-kind
5
peerless(adjective, separate, simple, exceptional, special)
5
rum(adjective, eccentric)
5
separate(adjective, simple, extraordinary, strange, outstanding)
5
single(adjective, separate, extraordinary, strange, outstanding)
5
sparse(adjective, light, thin, exceptional, short)
5
specific(adjective, separate, simple, extraordinary, superior)
5
supernatural(adjective, obscure, dark, strange, odd)
5
surreal(adjective, funny)
5
unreal(adjective, extraordinary, superior, exceptional, funny)
4
cranky(adjective, difficult, extraordinary, wild, strange)
4
crazy(adjective, keen, warm, strange, silly)
4
deviate(adjective, strange, exceptional, irregular, nonstandard)
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APASmart Define. (2016). unusual thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/unusual/thesaurus/synonyms
ChicagoSmart Define. 2016. "unusual thesaurus" https://smartdefine.org/unusual/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, unusual thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/unusual/thesaurus/synonyms>.
MLASmart Define. "unusual thesaurus" 31 March 2016. Web. 26 September 2026. <https://smartdefine.org/unusual/thesaurus/synonyms>