Definition of don't in English:



  • Do not.

    ‘they really don't know what will happen’
    ‘I see a face I don't recognize’
    • ‘He promises to come all the way into town to chaperone us, so that we don't get lost.’
    • ‘I don't know what sort of firework it was or where it came from, but it must have been big.’
    • ‘Needless to say, you can add other vegetables you like or take out any that you don't.’
    • ‘The copies that do work are of inferior quality, and many of them don't work in any case.’
    • ‘They may claim it is a reflection of today's society but we don't think it is any excuse.’
    • ‘Some of them are not going to be happy when they don't get a place and it's going to be a challenge for me.’
    • ‘You reflect on how the previous season has gone for a day or two, but you don't dwell on it too much.’
    • ‘What I found during a weekend here is that you really don't want to do anything at all.’
    • ‘You finish watching with the feeling that you don't really need to see the film at all.’
    • ‘I don't think I have ever read a book in which a sense of dread is so cleverly built up.’
    • ‘We don't have a car or a TV and we cycle a lot so we were already viewed as slightly curious.’
    • ‘I have a lot of work I have to do behind the camera, but I don't want to be in front of it.’
    • ‘She gets the care she needs and I don't believe she will get the same if she is moved.’
    • ‘You don't know whether the teachers will approve of you or if you will make any friends.’
    • ‘We believe that there might have been a collision but we don't know how that was caused.’
    • ‘We don't have the strength of squad to take us through a whole season at that level.’
    • ‘Those who have not been so frugal and don't have the money in the bank are well subsidised.’
    • ‘How much harder is it to shop for a wedding gown if you don't really know what you are shopping for?’
    • ‘If you don't like how you work or what you do, it's absolutely up to you to change it.’
    • ‘If you don't have chest problems when you go in, you certainly will when you come out.’


Don't is a contraction of do not. It is often used informally, especially in speech, as the equivalent of does not—as in, for example, she don't drink tea—but this is not standard English and should be avoided in writing


  • dos and don'ts

    • Rules of behaviour.

      ‘I have no knowledge of the political dos and don'ts’
      • ‘What's more, there are some quite complicated rituals governing the dos and don'ts of everyday interaction.’
      • ‘However, we are happy to explain the dos and don'ts to anybody who wants guidance.’
      • ‘Rattled by this experience and not knowing what he had done to offend, our visitor asked me for some guidance on the dos and don'ts of the local culture.’
      • ‘We are given some dos and don'ts that must be followed over the coming weeks’
      • ‘They see religion as a mere list of dos and don'ts, and little else.’
      • ‘There are a few dos and don'ts when it comes to preparing and cooking sprouts.’
      • ‘It's as easy to take a good picture as it is to take a bad one, if the photographer is aware of a few basic dos and don'ts.’
      • ‘I'd say I've become more confident and learnt the dos and don'ts of the industry.’
      • ‘As part of this programme, hostel cooks were taught the dos and don'ts of purchasing vegetables, serving food, preserving food and raw material.’
      • ‘Here are some dos and don'ts once you land in the U.S.’