numskull or numbskull /numˈskul/ (informal)

A blockhead

numˈskulled adjective

• plutologists
• plutology
• pluton
• Plutonian
• Plutonic
• Plutonism
• Plutonist
• plutonium
• plutoniums
• plutonomies
• plutonomist
• plutonomists
• plutonomy
• plutons
• pluvial
• pluvials
• pluviometer
• pluviometers
• pluviometric
• pluviometrical
• pluviose
• pluvious
• pluvius insurance
• Pluviôse
• ply