Synonyms|1.4kAntonyms|246|Broader|25Narrower|42Related|1.5k
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prehistoric
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quaint(adjective, attractive)
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absconding
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age
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ageless
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ago
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ancestral
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antiquity
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apocryphal
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archaistic
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aristocratic
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at the apex of(expression, idiom, preposition, heavenward)
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at the summit(expression, idiom, preposition, heavenward)
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at the top(expression, idiom, preposition, heavenward)
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back burner
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back down
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back end
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back off
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back up
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baseless
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APASmart Define. (2015). current thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/current/thesaurus/antonyms
ChicagoSmart Define. 2015. "current thesaurus" https://smartdefine.org/current/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2015, current thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/current/thesaurus/antonyms>.
MLASmart Define. "current thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/current/thesaurus/antonyms>