unchallengeable

🇺🇸 /ʌnˈtʃælɪndʒəbl/ 🇬🇧 /ʌnˈtʃælɪndʒəbl/
Frequency
Difficulty
Tags RARE
adjective
R

Something that is beyond doubt or cannot be disputed.

The expert's testimony was unchallengeable, leaving no room for doubt.

translation

adj. Something that is beyond doubt or cannot be disputed.