expression
to the core; to the bone; to the marrow
Idiomatic expression meaning thoroughly or completely, often used with verbs like しみ込む, 愛する, or 腐る to emphasize deep penetration or intensity.
寒さが骨の髄までしみ込んだ。
The cold penetrated me to the bone.
彼は骨の髄まで政治家だ。
He is a politician to the core.
Standard kanji spelling.
Mixed kanji-kana spelling; less common but still used.
Also means to feel something deeply, but focuses on emotional or physical impact rather than the thoroughness of a state.
Literally 'to the marrow of the bone'; a figurative phrase emphasizing completeness or depth.