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knuckleheaded
noun
See more 4-syllable nouns

How to pronounce knuckleheaded:

Definition of knuckleheaded:

knuckleheaded (noun):
dumbbell sense 2

Synonyms for knuckleheaded:

airheaded
birdbrained
bonehead
boneheaded
brain-dead
brainless
bubbleheaded
chuckleheaded
crazy
dense
dim
dim-witted
doltish
dopey
dopy
dorky
dull
dumb
dunderheaded
empty-headed
fatuous
foolish
gormless
half-witted
idiotic
Show 32 more

Antonyms for knuckleheaded:

able
academic
accomplished
acute
adept
alert
appropriate
apt
argute
artful
articulate
astute
attentive
aware
book smart
bookish
brainy
bright
brilliant
calculating
canny
capable
cerebral
clear
clever
Show 111 more
Other 4-syllable words

Here are some other common 4-syllable words.

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