The definition of imperceptible is not able to be imagined or so small that it can barely be seen.
Mild; calm; gentle; not violent
Slow and stately.
That can be calculated
The definition of immeasurable is something that is impossible to measure.
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, imperceptible, fathomable, assessable, moderate, proscribed, measured, calculable, restricted, unmeasurable and undeterminable.