insanity noun - Definition, pictures, pronunciation and usage notes | Oxford Advanced American Dictionary at OxfordLearnersDictionaries.com

Definition of insanity noun from the Oxford Advanced American Dictionary

insanity

noun

NAmE//ɪnˈsænət̮i//

[uncountable]

1the state of being insane He was found not guilty, by reason of insanity. opposite sanity

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2actions that are very stupid and possibly dangerous synonym madness, lunacy It would be sheer insanity to attempt the trip in such bad weather.

See insanity in the Oxford Advanced Learner's Dictionary

Check pronunciation: insanity