indubitableness
/ɪnˈdubɪtəbəlnəs/
noun
- The quality of being impossible to doubt; certainty.
- He argued with such indubitableness that the jury had no hesitation.
- The indubitableness of her honesty was known to everyone in the office.
- The indubitableness of the data made the research paper very convincing.
Antonyms