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.
Not able to be compared.
So much better than another as to be beyond comparison; matchless or unsurpassed.
Something beyond compare; a thing with which there is no comparison.