Not compatible; so differing as to be incapable of harmonious combination or coexistence; inconsistent in thought or being; irreconcilably disagreeing; as, persons of incompatible tempers; incompatible colors, desires, ambition.
Incapable of being together without mutual reaction or decomposition, as certain medicines.
An incompatible substance; esp., in pl., things which can not be placed or used together because of a change of chemical composition or of opposing medicinal qualities; as, the incompatibles of iron.
Just as love is an orientation which refers to all objects and is incompatible with the restriction to one object, so is reason a human faculty which must embrace the whole of the world with which man is confronted. Erich Fromm
A consistent anarchist must oppose private ownership of the means of production, and the wage-slavery which is a component of this system, as incompatible with the principle that labor must be freely undertaken and under the control of the producer. Noam Chomsky