あなあ 穴が開く Show inflections LinksSentence search for 穴が開くSentence search for あながあくSentence search for 穴が空くSentence search for 穴があくKanji details for 穴 and 開Edit in JMdict Expressions (phrases, clauses, etc.), Godan verb with 'ku' ending1. to have a hole; to be pierced (with a hole)Other forms穴が空く 【あながあく】、穴があく 【あながあく】 Discussions Log in to talk about this word.