1. Stupid and confused
   "a confused puddingheaded, muddleheaded fellow"
   - addlebrained, addlepated, puddingheaded

See also: confused

• half-price
• half-relief
• half-seas-over
• half-size
• half-slip
• half-staff
• half-term
• half-timber
• half-timbered
• half-tracked
• half-truth
• half-wit
• half-witted
• half-yearly
• halfback
• halfbeak
• halfhearted
• halfpenny
• halfpennyworth
• halftime
• halftone
• halftone engraving
• halfway
• halfway house
• Haliaeetus