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knuckleheaded
noun
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How to pronounce knuckleheaded:

Definition of knuckleheaded:

knuckleheaded (noun):
dumbbell sense 2

Synonyms for knuckleheaded:

denseobtusesenselessopaquebrainlessinsanedumbmadunreasonablefoolish
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Antonyms for knuckleheaded:

brainyliterateresourcefulstudiousinstructedstrong-willedaccomplishederuditewilyshrewd
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Other 4-syllable words like knuckleheaded

Here are some other common words that have 4 syllables, like knuckleheaded does.

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