Definition of sane adjective from the Oxford Advanced American Dictionary

     

    sane

     adjective
    adjective
    NAmE//seɪn//
     
    (saner, sanest)
     
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  1. 1having a normal healthy mind; not mentally ill synonym of sound mind No sane person would do that. Being able to get out of the city at the weekend keeps me sane.
  2. 2sensible and reasonable the sane way to solve the problem opposite insane see also sanity
 
adverb
See the Oxford Advanced Learner's Dictionary entry: sane