Word: knuckleheads
Part of speech: Noun
Syllables: knu
ckle
heads
Definition: Plural of knucklehead; a stupid person; these words are used to express a low opinion of someone's intelligence
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
PoS: Noun
Meaning: Mind; one's own thoughts.
Affix: -s
Language: en
PoS: Suffix
Meaning: Used to form the plural of nouns that correctly take just an "s" in the plural. See greengrocer’s apostrophe.