Longman Dictionary of Contemporary English homepage

Date: 1600-1700
Language: Latin
Origin: sanitas 'health, sanity', from sanus; SANE

sanity

 noun
     
Related topics: Psychology, Psychiatry
san‧i‧ty [uncountable]
1MPHBH the condition of being mentally healthy [≠ insanity; ↪ sane]:
I began to doubt his sanity.
She wondered if she was losing her sanity.
2MP when someone or something is being reasonable and sensible [↪ sane]:
Sanity appears to be returning to the stock market.
regain/get back/recover your sanity
I took a vacation to try to recover my sanity.
Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.

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