i Register
In some senses, loony is marked as derogatory, informal, offensive. Watch for register when choosing this word.
loony
UK /ˈluːni/ US /ˈluːni/
adj 2noun 1
Definitions
adj
1
Insane.
loony scheme
completely loony
2
Very silly, absurd.
noun
1
An insane or very foolish person.
Why, there’s hundreds of lunies of the sort to be met in London.
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