635 entries under adjective topic. ×

4
great(outstanding, prominent, distinguished)
4
improper(wrong, severe, harsh, exceptional)
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inconceivable(light, obscure, thin, strange)
4
incongruous(strange, usual, irregular, peculiar)
4
innovational(fresh, fundamental, novel, unique)
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innovatory(fundamental, novel, unique, innovative)
4
isolated(separate, simple, exceptional, special)
4
marked(great, solid, extraordinary, superior)
4
memorable(great, superior, important, famous)
4
modern(strange, new, hot, natural)
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newfangled(strange, new, hot, natural)
4
off-the-wall
4
one(separate, simple, extraordinary, outstanding)
4
personal(separate, simple, extraordinary, superior)
4
preternatural(obscure, dark, extraordinary, strange)
4
productive(fundamental, novel, unique, innovative)
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prominent(great, solid, extraordinary, important)
4
resourceful(fundamental, novel, unique, innovative)
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seldom met with(expression, idiom, inadequate, insufficient)
4
sensational(extraordinary, exceptional, remarkable, impressive)
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APASmart Define. (2016). unusual thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unusual/thesaurus/synonyms
ChicagoSmart Define. 2016. "unusual thesaurus" https://smartdefine.org/unusual/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, unusual thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unusual/thesaurus/synonyms>.
MLASmart Define. "unusual thesaurus" 31 March 2016. Web. 28 September 2026. <https://smartdefine.org/unusual/thesaurus/synonyms>