noun ·Moderate ·College level

Definitions

Noun

1. 1
   The quality or state of being incompatible; inconsistency; irreconcilability. countable, uncountable
2. 2
   the quality of being unable to exist or work in congenial combination wordnet
3. 3
   the relation between propositions that cannot both be true at the same time wordnet
4. 4
   (immunology) the degree to which the body's immune system will try to reject foreign material (as transfused blood or transplanted tissue) wordnet

Synonyms

All synonyms

ambiguityambivalenceantinomyasymmetryautismbashfulness

Antonyms

All antonyms

compatibility

Etymology

From incompatible + -ity.

Related phrases

backward incompatibilityself-incompatibility

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.