56 entries under unusual topic. ×

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outre(adjective, special, rare, uncommon)
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outstanding(light, thin, special, rare)
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peculiar(special, odd, rare, bizarre)
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prodigious(special, rare)
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queer(special, odd, rare, bizarre)
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special(extraordinary, exceptional, rare)
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startling(special, rare)
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superior(special, rare)
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surprising(special, rare)
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unaccustomed(special, odd, rare, bizarre)
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unconventional(special, rare)
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uncustomary(adjective, special, rare, scarce)
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unfamiliar(strange, special, odd, rare)
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unorthodox(special, rare)
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very different(expression, adjective, special, rare)
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weird(special, odd, rare, bizarre)
<123>
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APASmart Define. (2013). unheard of thesaurus. Retrieved October 2, 2026, from https://smartdefine.org/unheard_of/thesaurus/synonyms
ChicagoSmart Define. 2013. "unheard of thesaurus" https://smartdefine.org/unheard_of/thesaurus/synonyms (accessed October 2, 2026).
HarvardSmart Define 2013, unheard of thesaurus, Smart Define, viewed 2 October, 2026, <https://smartdefine.org/unheard_of/thesaurus/synonyms>.
MLASmart Define. "unheard of thesaurus" 19 May 2013. Web. 2 October 2026. <https://smartdefine.org/unheard_of/thesaurus/synonyms>