having a ratio that is not expressible as a fraction of two integers.
Not able to be measured by the same standards as another term in the context.
having no common integer divisor except 1.
An incommensurable value or quantity; an irrational number.
Not pleasing; disagreeable.
He found office life uncongenial, and eventually left the company.
Incapable of being grafted.
Not congenial, compatible or sympathetic.
Not appropriate; unsuitable.