Synonyms|367Antonyms|96|Broader|9Narrower|15Related|697
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asinine
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assertive
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assuming
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audacious
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augurial
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augurous
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average
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awkward
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bad
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badass(adjective, marvelous, amazing, astonishing, astounding)
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balmy
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bankrupt
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bankrupted
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baroque
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basic
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bearish
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belittling
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bellicose
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belligerent
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big
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APASmart Define. (2015). portentous thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/portentous/thesaurus/related
ChicagoSmart Define. 2015. "portentous thesaurus" https://smartdefine.org/portentous/thesaurus/related (accessed September 30, 2026).
HarvardSmart Define 2015, portentous thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/portentous/thesaurus/related>.
MLASmart Define. "portentous thesaurus" 10 April 2015. Web. 30 September 2026. <https://smartdefine.org/portentous/thesaurus/related>