crāzˈiness noun

crāzˈy adjective (crāzˈier; crāzˈiest)

1. Demented, deranged
2. Ridiculous, stupid
3. Exuberantly wild in behaviour (informal)
4. Extravagantly enthusiastic or passionate (about) (informal)
5. Impractical
6. (of paving, etc) composed of flat, irregular pieces
7. Rickety (old)

A crazy person

crazing mill noun

A mill for crushing tin-ore

crazy ant noun

A long-legged tropical ant that moves erratically when disturbed and is a major environmental pest

crazy bone noun (N American)

The funny bone

crazy golf noun

A form of putting in which balls have to be hit past, through, over, etc obstacles such as humps, tunnels, bends, etc to reach the hole

crazy paving noun

Paving composed of irregularly shaped slabs of stone or concrete, used for ornamental effect on terraces, garden paths, etc

crazy quilt noun

A patchwork quilt made up haphazardly of irregular pieces of material sewn together

like crazy

Fast and furiously