122 entries under unusual topic. ×

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distinctive(special, rare)
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distinguished(adjective, extraordinary, strange, exceptional)
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egregious(special, rare)
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eminent(adjective, extraordinary, strange, exceptional)
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extreme(special, rare, leading-edge, pioneering)
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few(special, rare)
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incomparable(special, rare)
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inimitable(special, rare)
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memorable(adjective, extraordinary, strange, exceptional)
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nondescript(special, rare)
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notable(special, rare)
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out of the way(expression, idiom, special, rare)
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outre(special, rare)
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prominent(adjective, extraordinary, strange, exceptional)
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seldom(special, rare)
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significant(adjective, extraordinary, strange, exceptional)
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sporadic(special, rare)
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startling(special, rare)
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superior(special, rare)
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unimaginable(exceptional, marvelous, special, rare)
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APASmart Define. (2015). unfamiliar thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/unfamiliar/thesaurus/synonyms
ChicagoSmart Define. 2015. "unfamiliar thesaurus" https://smartdefine.org/unfamiliar/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, unfamiliar thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/unfamiliar/thesaurus/synonyms>.
MLASmart Define. "unfamiliar thesaurus" 10 April 2015. Web. 1 October 2026. <https://smartdefine.org/unfamiliar/thesaurus/synonyms>