むね 胸をそらす Show inflections LinksSentence search for 胸をそらすSentence search for むねをそらすSentence search for 胸を反らすKanji details for 胸Edit in JMdict Expressions (phrases, clauses, etc.), Godan verb with 'su' ending1. to be puffed up with pride; to throw out one's chestOther forms胸を反らす 【むねをそらす】 Discussions Log in to talk about this word.