Synonyms|405Antonyms|51|Broader|4Narrower|0Related|226

42 entries under rare topic. ×

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freakish(unusual, special)
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incomparable(excellent, unusual, special, brilliant)
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inimitable(unusual, special)
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irregular(excellent, unusual, special, brilliant)
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nondescript(unusual, special)
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notable(excellent, unusual, special, brilliant)
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novel(unusual, special)
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original(extraordinary, unusual, special, remarkable)
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out of the way(expression, idiom, unusual, special)
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outre(unusual, special)
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queer(extraordinary, unusual, exceptional, special, remarkable)
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seldom(light, thin, unusual, special)
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sporadic(light, thin, unusual, special)
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standout
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superior(excellent, unusual, special, brilliant)
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surprising(unusual, exceptional, marvelous, special)
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unaccustomed(unusual, special)
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unconventional(unusual, special)
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unfamiliar(unusual, exceptional, marvelous, special)
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unorthodox(unusual, special)
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APASmart Define. (2015). unthinkable thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/unthinkable/thesaurus/synonyms
ChicagoSmart Define. 2015. "unthinkable thesaurus" https://smartdefine.org/unthinkable/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, unthinkable thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/unthinkable/thesaurus/synonyms>.
MLASmart Define. "unthinkable thesaurus" 14 April 2015. Web. 30 September 2026. <https://smartdefine.org/unthinkable/thesaurus/synonyms>