said of two or more people: unable to live or work together, esp because of opposing views, temperaments, etc
unable to exist together
incompatible beliefs
unsuitable for use together
incompatible blood types
in logic, denoting two propositions that cannot both be true at the same time
incompatibility /-ʹbiliti/ noun
incompatibly adv
[via French from medieval Latin incompatibilis, from in-1 + compatibilis: see compatible]