flummox /flumˈəks/ (informal)

To perplex or puzzle

• idiot card
• idiot cards
• idiotcies
• idiotcy
• idiothermous
• idiotic
• idiotical
• idiotically
• idioticon
• idioticons
• idiotish
• idiotism
• idiotisms
• idiot light
• idiot lights
• idiot-proof
• idiots
• idiot savant
• idiot savants
• idiot tape
• idiot tapes
• Idist
• idle
• idled
• idle-headed