- Exhibiting unsoundness or disorded of mind; not sane; mad;
deranged in mind; delirious; distracted. See Insanity, 2. - Used by, or appropriated to, insane persons; as, an insane
hospital. - Causing insanity or madness. - Characterized by insanity or the utmost folly; chimerical;
unpractical; as, an insane plan, attempt, etc.
Meaning of 'insane' (Princeton's WordNet)
1 . insane
[ a]
Meaning (1): - afflicted with or characteristic of mental derangement
Example in sentence:
insane laughter;
was declared insane
2 . insane
[ s]
Meaning (2): - very foolish
Example in sentence:
a completely mad scheme to build a bridge between two mountains;