Smart Definition
Etymology
Pronunciation
incontestable
indisputable
in-
not
+
contestable
able to be disputed
Incontestable means indisputable and can be broken down into in-0 (not0) + contestable1 (able to be disputed1).
adjective
  1. indisputable
    Undeniable or unquestionable; not able to be disputed.
    La evidencia es incontestable. // The evidence is indisputable.