Definition of sane in English:



  • 1(of a person) of sound mind; not mad or mentally ill.

    ‘hard work kept me sane’
    • ‘She raised an eyebrow; most people didn't seem to think she was sane when they first met her.’
    • ‘The sane traveler takes with them an almost inexhaustible supply of patience.’
    • ‘The Yorkshire Ripper was last night claimed to be planning a bid for freedom - by proving he is now sane.’
    • ‘Every sane person will expect the Government to take sensible precautions.’
    • ‘Surely no sane person believes that this explosion of violence is restricted to our country.’
    • ‘Now that there have been two consultations, no sane person can claim that they have not had the opportunity to have their say!’
    • ‘Alana left in a hurry, leaving Angela wondering if her Mom had any sane friends left in Fallon Creek.’
    • ‘The decision reopens a longstanding debate about whether mentally ill inmates can be executed if they are sane only while taking drugs.’
    • ‘I have to watch my mouth around them and can't act crazy because they're so sane.’
    • ‘Second, because it is simply incredible that any lawyer, or indeed any sane person, would give such advice.’
    • ‘Michael is also the most sane member of this very, very dysfunctional family.’
    • ‘The state had one expert and he never came out and actually testified that she was sane.’
    • ‘Any sane person will agree that the culprit of the Kitwe accident cannot be described as a normal person.’
    • ‘Either way, nobody knew the man's mental state, but it was believed he was perfectly sane.’
    • ‘No sane person would, for example, start a high street pizzeria without first doing some homework concerning the market.’
    • ‘I wanted to prove to them that I was sane, and I figured the best way to do that would to act as calm as possible.’
    • ‘I tend to think trading virtual futility for spiritual futility is a step no sane person would take.’
    • ‘If you go to your local restaurant and behave like a sane person, no one cares.’
    • ‘Can any sane person accept that a civilized world should function in this way?’
    • ‘As we would all like to believe, Canada is a sane country and we are a sane people.’
    of sound mind, right in the head, in one's right mind, in possession of all one's faculties, able to reason clearly, able to think clearly, lucid, clear-headed, rational, coherent, balanced, well balanced, stable, normal
    View synonyms
    1. 1.1 (of an undertaking or manner) reasonable; sensible.
      • ‘There is no sane reason to review the acting or storyline in A Night To Dismember.’
      • ‘I know nothing about shoe repair and resizing so I was wondering if this is a sane undertaking or if I should just cut my losses.’
      • ‘Persuade me also that there's a sane reason for dropping Cadenza from National Radio.’
      sensible, practical, advisable, responsible, realistic, full of common sense, prudent, circumspect, pragmatic, wise, reasonable, rational, mature, level-headed, commonsensical, judicious, politic, sound, balanced, sober
      View synonyms


Early 17th century: from Latin sanus ‘healthy’.