|1.||incapable of living or existing together in peace or harmony; conflicting or antagonistic|
|2.||opposed in nature or quality; inconsistent|
|3.||(of an office, position, etc) only able to be held by one person at a time|
|4.||med (esp of two drugs or two types of blood) incapable of being combined or used together; antagonistic|
|5.||logic (of two propositions) unable to be both true at the same time|
|a. not capable of forming successful grafts|
|b. incapable of fertilizing each other|
|7.||maths another word for inconsistent|
|8.||(often plural) a person or thing that is incompatible with another|
incompatible in·com·pat·i·ble (ĭn'kəm-pāt'ə-bəl)
Incapable of associating or blending or of being associated or blended because of disharmony, incongruity, or antagonism.
Producing an undesirable effect when used in combination with a particular substance, as a medicine in combination with alcohol.
Not suitable for combination or administration because of immunological differences, as blood types.