numskull or numbskull /numˈskul/ (informal)

A blockhead

numˈskulled adjective

• gasalier
• gasaliers
• gas and gaiters
• gasbag
• gasbags
• gas black
• gas-bottle
• gas-bottles
• gas-bracket
• gas-brackets
• gas-buoy
• gas-buoys
• gas-burner
• gas-burners
• gas cap
• gas caps
• gas-carbon
• gas centrifuge
• gas centrifuges
• gas chamber
• gas chambers
• gas chromatography
• gas-coal
• gas-coke
• Gascon