Word: knuckleheaded
Part of speech: Adjective
Syllables: knuck
le
head
ed
Definition: Stupid or inept, like a knucklehead.
Morphemes:
Affix: knuckle
Language: en
PoS: Noun
Meaning: A contrivance, usually of brass or iron, and furnished with points, worn to protect the hand, to add force to a blow, and to disfigure the person struck; a knuckle duster.
Affix: head
Language: en
Meaning: noun
Affix: -ed
Language: en
PoS: Suffix
Meaning: Used to form adjectives from nouns, in the sense of having the object represented by the noun.