Synonyms|194Antonyms|75|Broader|3Narrower|0Related|267
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be dismissed(expression, idiom, learning)
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be inadequate
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be lacking
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be unable(expression, idiom)
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be wanting
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betrayal
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betrayals
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boob
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break down(verb, expression, phrasal verb)
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bring to naught(expression, idiom, failure)
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certify
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charge for(verb, phrasal verb)
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claudication
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come
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conk out(verb, expression, phrasal verb)
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debacle
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depart
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deselect
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disappear
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discomfiture
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APASmart Define. (2015). flunk thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/flunk/thesaurus/synonyms
ChicagoSmart Define. 2015. "flunk thesaurus" https://smartdefine.org/flunk/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, flunk thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/flunk/thesaurus/synonyms>.
MLASmart Define. "flunk thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/flunk/thesaurus/synonyms>