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insane
01
extremely unreasonable or stupid, particularly in a manner that is likely to be dangerous
Examples
It 's insane to drive while intoxicated.
It would be insane to try to jump off a moving train.
02
(of a person) having a severe mental disorder that affects thinking, behavior, or emotions
Examples
The court ruled him legally insane and unfit to stand trial.
She was declared insane after years of struggling with delusions.
03
extremely impressive or extraordinary
Examples
The graphics in that game are insane — it's like being in another world!
That burger was insane, I ca n't believe how good it tasted!
Lexical Tree
insane
sane
