Noun: indubitability in,d(y)oo-bi-tu'bi-li-tee
- The quality of being beyond question, dispute or doubt
"The indubitability of the mathematical proof silenced all critics";
- indisputability, unquestionability, unquestionableness
Derived forms: indubitabilities
Type of: cert [Brit, informal], certainty, dead cert [Brit, informal], foregone conclusion, sure thing