Definition of incompatible adjective from the Oxford Advanced Learner's Dictionary



    BrE BrE//ˌɪnkəmˈpætəbl//
    ; NAmE NAmE//ˌɪnkəmˈpætəbl//
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  1. 1incompatible (with something) two actions, ideas, etc. that are incompatible are not acceptable or possible together because of basic differences The hours of the job are incompatible with family life. These two objectives are mutually incompatible.
  2. 2two people who are incompatible are very different from each other and so are not able to live or work happily together She and her husband soon proved to be totally incompatible.
  3. 3incompatible (with something) two things that are incompatible are of different types so that they cannot be used or mixed together New computer software is often incompatible with older computers. Those two blood groups are incompatible. opposite compatible
  4. Word Originlate Middle English: from medieval Latin incompatibilis, from in- ‘not’ + compatibilis, from compati ‘suffer with’.Extra examples Scepticism and trust are not necessarily incompatible. The two systems are mutually incompatible. This behaviour is completely incompatible with his role as a teacher. These two objectives are mutually incompatible.
See the Oxford Advanced American Dictionary entry: incompatible