expression, pre-noun adjectival
unmistakable; unquestionable; certain
Pre-noun adjectival phrase meaning something is clearly and undeniably the case; often used for emphasis before nouns like 本物, 証拠, or 事実.
それはまごうことなき本物のダイヤモンドだ。
That is an unmistakably genuine diamond.
彼の言葉にはまごうことなき真実が込められていた。
His words contained unquestionable truth.
Mixed kana-kanji spelling with 事 and 無; rare.
Kanji spelling with 紛う and 無; rare.
From the verb 紛う (まごう, 'to be mistaken for') in its negative form 紛うことなし, with the classical attributive form なき modifying a noun. The phrase literally means 'there is no mistaking'.