dippy /dipˈi/ (informal)

1. Crazy
2. Insane

• hill-forts
• hillier
• hilliest
• hilliness
• hillinesses
• hilling
• hillmen
• hillo
• hillock
• hillocks
• hillocky
• hill-pasture
• hill-pastures
• hills
• hillside
• hillsides
• hill station
• hill stations
• hilltop
• hilltops
• hillwalker
• hillwalkers
• hillwalking
• hillwalkings
• hilly