numskull or numbskull /numˈskul/ (informal)

A blockhead

numˈskulled adjective

• dispel
• dispelled
• dispelling
• dispels
• dispence
• dispend
• dispended
• dispending
• dispends
• dispensabilities
• dispensability
• dispensable
• dispensableness
• dispensablenesses
• dispensably
• dispensaries
• dispensary
• dispensation
• dispensational
• dispensations
• dispensative
• dispensatively
• dispensator
• dispensatories
• dispensatorily