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English definition of “sane”

sane

adjective [-er/-est only]    /seɪn/
having a reasonable or healthy mind, or showing good judgment and understanding: Your work, he said, is the one thing that keeps you sane in this crazy world. sanity    /ˈsæn·ɪ·t̬i/ noun [U] He was beginning to doubt his own sanity.
(Definition of sane adjective from the Cambridge Academic Content Dictionary © Cambridge University Press)
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