|ən|chalə̇njəbəl, -alēn- adjective
: not able to be challenged or disputed
a position of unchallengeable supremacy — Harper's
• un·chal·lenge·ably -blē adverb
|ən|chalə̇njəbəl, -alēn- adjective
: not able to be challenged or disputed
a position of unchallengeable supremacy — Harper's
• un·chal·lenge·ably -blē adverb
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012