Crazy (5)

'crazy' is the definition.
(I know that crazy can be written as loony)
This is the entire clue.
(Other definitions for loony that I've seen before include "Nuts" , "mad" , "Crazy" , "Silly" .)
'crazy' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for barmy that I've seen before include "Extremely foolish" , "Mad (like footballing "army")" , "Crackers, daft" , "Bonkers" , "round the bend" .)
'crazy' is the definition.
(I know that crazy can be written as insane)
This is the entire clue.
(Other definitions for insane that I've seen before include "Sienna (anag.)" , "Deranged, crazy" , "having a screw loose" , "Mentally ill" , "Demented" .)
'crazy' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for screwy that I've seen before include "Crazy" , "cuckoo?" , "Off one's rocker" , "Daft (with a thread?)" , "Odd, eccentric" .)
'crazy' is the definition.
(nuts can informally mean crazy or mad)
This is the entire clue.
(Other definitions for nuts that I've seen before include "Heads - fans - fruit" , "Mad; fruit" , "Hard shells with edible kernels" , "Slangily crazy like hard fruits" , "Edible seeds with hard shells" .)
'crazy' is the definition.
(loco can informally mean mad)
This is all the clue.
(Other definitions for loco that I've seen before include "Engine (abbrev.)" , "In ... parentis, in place of parents" , "Railway engine - mad!" , "plant increasing milk yield" , "Potty" .)
'crazy' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for daft that I've seen before include "Informally silly or crazy" , "Half-witted" , "Scatty" , "like a brush?" , "Potty" .)