American English

Definition of incompatible adjective from the Oxford Advanced American Dictionary



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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
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noun (pl. incompatibilities) [uncountable, countable]
See the Oxford Advanced Learner's Dictionary entry: incompatible