Dictionary Definition



1 the relation between propositions that cannot both be true at the same time [syn: mutual exclusiveness, inconsistency, repugnance]
2 (immunology) the degree to which the body's immune system will try to reject foreign material (as transfused blood or transplanted tissue)
3 the quality of being unable to exist or work in congenial combination [ant: compatibility]

User Contributed Dictionary



  1. The quality or state of being incompatible; inconsistency; irreconcilableness.


the quality or state of being incompatible


Synonyms, Antonyms and Related Words

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