| a. | 1. | Not contestable; not to be disputed; that cannot be called in question or controverted; incontrovertible; indisputable; |
| Adj. | 1. | incontestable - incapable of being contested or disputed Synonyms: incontestible Antonyms: contestable - capable of being contested |
| 2. | incontestable - not open to question; obviously true; "undeniable guilt"; "indisputable evidence of a witness" Synonyms: indisputable, undisputable |