Not able to be measured by the same standards as another term in the context.
having a ratio that is not expressible as a fraction of two integers.
having no common integer divisor except 1.
An incommensurable value or quantity; an irrational number.
Of two things: that cannot coexist; not congruous because of differences; unable to function together due to dissimilarities.
Incapable of being together without mutual reaction or decomposition, as certain medicines.
An incompatible substance; one of a group of things that cannot be placed or used together because of a change of chemical composition or opposing medicinal qualities.
A consequent of a contrary.