Synonyms|211Antonyms|2|Broader|1Narrower|4Related|60
0
dullness
0
dum-dum
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dumbbell
0
dumber
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dumbhead
0
dummkopf
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dupe(sucker, boob, chump)
0
easy
0
easy as ABC(noun, expression, idiom, turkey, dunderhead)
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elementary
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empty
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fall guy(expression, sucker, boob, chump)
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feather-brain
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featherhead
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flake
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flathead
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foolish
0
frivolous
0
frogman
0
fuckhead
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APASmart Define. (2015). birdbrain thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/birdbrain/thesaurus/synonyms
ChicagoSmart Define. 2015. "birdbrain thesaurus" https://smartdefine.org/birdbrain/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, birdbrain thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/birdbrain/thesaurus/synonyms>.
MLASmart Define. "birdbrain thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/birdbrain/thesaurus/synonyms>