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胸が切ない (mune ga setsunai) - one's heart feels tight/painful

Grammar & Usage

idiomatic phrase / adjective phrase

neutral to literary

How it works

This phrase consists of the noun 胸 (mune, 'chest/heart'), the subject marker が (ga), and the i-adjective 切ない (setsunai, 'painful/heart-wrenching/bittersweet'). It is used to describe an emotional state where deep longing, unrequited love, nostalgia, or sorrow physically manifests as an ache or tightness in the chest. It conjugates as a standard i-adjective (e.g., 胸が切なくなる, 胸が切なかった).

Sample sentences

昔の恋人を思い出すと、今でも胸が切なくなる。

Whenever I remember my ex-lover, my heart still aches with wistfulness.

夕暮れの空を見上げていると、理由もなく胸が切ない。

Looking up at the twilight sky, my heart strangely aches for no particular reason.

映画のラストシーンがあまりに切なくて、見終わった後もしばらく胸が切なかった。

The final scene of the movie was so poignant that my heart felt tight for a while even after watching it.

Quick facts

nuance:Differs from pure sadness (悲しい) by carrying a specific undertone of romantic longing, bittersweet helplessness, or nostalgic melancholy.

kanji_breakdown:胸 (chest/heart/emotions) + 切 (cut/intense/painful)

conjugation_type:i-adjective predicate (切ない -> 切なく -> 切なかった)

Often used with

切ない恋 (setsunai koi)

切ない気持ち (setsunai kimochi)

胸が締め付けられる (mune ga shimetsukerareru)

切なさを感じる (setsunasa o kanjiru)

Mnemonic

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Example

昔の恋人を思い出すと、今でも胸が切なくなる。

Whenever I remember my ex-lover, my heart still aches with wistfulness.

夕暮れの空を見上げていると、理由もなく胸が切ない。

Looking up at the twilight sky, my heart strangely aches for no particular reason.