0
light minded(expression, idiom)
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low down(verb, phrasal verb)
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might-have-been(bungler, bumbler, fumbler)
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moron
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no good(expression, bungler, bumbler, fumbler)
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nonperformer(bungler, bumbler, fumbler)
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plover
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poop
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rattlebrain
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scatterbrained
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schmuck
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softhead
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stag
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stallion
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under the influence(expression, idiom)
0
underachiever(bungler, bumbler, fumbler)
0
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APASmart Define. (2015). featherbrain thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/featherbrain/thesaurus/synonyms
ChicagoSmart Define. 2015. "featherbrain thesaurus" https://smartdefine.org/featherbrain/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, featherbrain thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/featherbrain/thesaurus/synonyms>.
MLASmart Define. "featherbrain thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/featherbrain/thesaurus/synonyms>