49 entries under infrequent topic. ×

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surprising(adjective, extraordinary, unusual, strange, exceptional)
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awe-inspiring(adjective, extraordinary, unusual, strange, exceptional)
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conspicuous(adjective, extraordinary, unusual, strange, exceptional)
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distinguished(adjective, extraordinary, unusual, strange, exceptional)
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eminent(adjective, extraordinary, unusual, strange, exceptional)
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few and far between(expression, adjective, idiom, rare, scarce)
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memorable(adjective, extraordinary, unusual, strange, exceptional)
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prominent(adjective, extraordinary, unusual, strange, exceptional)
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significant(adjective, extraordinary, unusual, strange, exceptional)
<123>
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APASmart Define. (2015). unfamiliar thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/unfamiliar/thesaurus/synonyms
ChicagoSmart Define. 2015. "unfamiliar thesaurus" https://smartdefine.org/unfamiliar/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, unfamiliar thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unfamiliar/thesaurus/synonyms>.
MLASmart Define. "unfamiliar thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/unfamiliar/thesaurus/synonyms>