67 entries under rare topic. ×

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out of the way(expression, idiom, unusual, special)
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scarce(adjective, excellent, extraordinary, unusual, special)
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seldom(unusual, special)
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sporadic(unusual, special)
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unaccustomed(unusual, special)
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uncustomary(excellent, unusual, special, brilliant)
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unheard of(expression, unusual, special)
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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>