くび 首がすわる Show inflections LinksSentence search for 首がすわるSentence search for くびがすわるSentence search for 首が据わるSentence search for 首が座るKanji details for 首Edit in JMdict Expressions (phrases, clauses, etc.), Godan verb with 'ru' ending1. to be able to hold one's head up (of an infant)Other forms首が据わる 【くびがすわる】、首が座る 【くびがすわる】Notes首が座る: Irregular kanji usage. Discussions Log in to talk about this word.