56 entries under unusual topic. ×

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bizarre(extraordinary, exceptional, special, odd)
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curious(special, odd, rare, bizarre)
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distinctive(special, rare)
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eccentric(special, odd, rare, bizarre)
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egregious(special, rare)
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exotic(strange, special, rare, indefinite)
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extreme(special, rare)
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fantastic(special, odd, rare, bizarre)
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freakish(special, rare)
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incomparable(special, rare)
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incredible(extraordinary, wonderful, exceptional, doubtful)
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infrequent(special, rare, scarce, uncustomary)
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inimitable(special, rare)
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irregular(special, odd, rare, bizarre)
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nondescript(special, rare)
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notable(extraordinary, wonderful, exceptional, special)
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noteworthy(special, rare)
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offbeat(adjective, extraordinary, exceptional, odd)
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original(special, rare)
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out of the way(expression, idiom, special, rare)
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APASmart Define. (2013). unheard of thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/unheard_of/thesaurus/synonyms
ChicagoSmart Define. 2013. "unheard of thesaurus" https://smartdefine.org/unheard_of/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2013, unheard of thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/unheard_of/thesaurus/synonyms>.
MLASmart Define. "unheard of thesaurus" 19 May 2013. Web. 1 October 2026. <https://smartdefine.org/unheard_of/thesaurus/synonyms>