あたまかた 頭が固い Show inflections LinksSentence search for 頭が固いSentence search for あたまがかたいSentence search for 頭が硬いSentence search for 頭がかたいKanji details for 頭 and 固Edit in JMdict Expressions (phrases, clauses, etc.), I-adjective (keiyoushi)1. thickheaded; obstinate; inflexible; stubbornSee also 頭の固いOther forms頭が硬い 【あたまがかたい】、頭がかたい 【あたまがかたい】 Discussions Log in to talk about this word.