Knucklehead Definition
 nŭkəl-hĕd 
  knuckleheads
  
    noun
  
 
    knuckleheads
  
A stupid person; fool.
 Webster's New World 
Other Word Forms of Knucklehead
Noun
Singular:
 knuckleheadPlural:
 knuckleheadsFind Similar Words
Find similar words to knucklehead using the buttons below.