noun-modifying (irregular)
stark naked; completely nude
Literary or emphatic expression meaning wearing not even a single thread; often used in fixed phrases like 一糸まとわぬ姿.
He appeared stark naked.
I took a photo of the completely naked baby.
Standard kanji-kana mixed spelling.
Alternate kanji form using 纏; less common but valid.
From 一糸 (one thread) + まとわぬ (classical negative of まとう, to wear), literally 'not wearing a single thread'.