81 entries under unusual topic. ×

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bad(adjective, extraordinary, phenomenal)
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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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exotic(new, exceptional, special, fantastic)
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few(special, rare)
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incomparable(excellent, special, brilliant, rare)
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infrequent(adjective, excellent, extraordinary, special)
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inimitable(special, rare)
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irregular(excellent, strange, special, brilliant)
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nondescript(special, rare)
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novel(new, exceptional, special, original)
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out of the way(expression, idiom, special, rare)
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peculiar(excellent, extraordinary, strange, special)
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scarce(adjective, excellent, extraordinary, special)
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seldom(special, rare)
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sporadic(special, rare)
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state-of-the-art(adjective, extraordinary, phenomenal)
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unaccustomed(special, rare)
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uncustomary(excellent, special, brilliant, rare)
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APASmart Define. (2015). prodigious thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/prodigious/thesaurus/synonyms
ChicagoSmart Define. 2015. "prodigious thesaurus" https://smartdefine.org/prodigious/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, prodigious thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/prodigious/thesaurus/synonyms>.
MLASmart Define. "prodigious thesaurus" 17 July 2015. Web. 29 September 2026. <https://smartdefine.org/prodigious/thesaurus/synonyms>