Meaning of “insanity” in the English Dictionary

american-english dictionary

"insanity" in British English

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insanitynoun [ U ]

uk /ɪnˈsæn.ə.ti/ us /ɪnˈsæn.ə.t̬i/

(Definition of “insanity” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"insanity" in American English

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insanitynoun [ U ]

us /ɪnˈsæn·ɪ·t̬i/

mental illness:

The jury found him innocent on the grounds of temporary insanity.

(Definition of “insanity” from the Cambridge Academic Content Dictionary © Cambridge University Press)