The definition of imperceptible is not able to be imagined or so small that it can barely be seen.
Slow and stately.
That can be calculated
The definition of immeasurable is something that is impossible to measure.
Mild; calm; gentle; not violent
Having fixed rhythm and measure, as in music; mensural.
Find another word for measurable. In this page you can discover 20 synonyms, antonyms, idiomatic expressions, and related words for measurable, like: weighable, fathomable, assessable, restricted, imperceptible, proscribed, measured, calculable, unmeasurable, undeterminable and insignificant.