あたまふる 頭が古い Show inflections LinksSentence search for 頭が古いSentence search for あたまがふるいKanji details for 頭 and 古Edit in JMdict Expressions (phrases, clauses, etc.), I-adjective (keiyoushi)1. old-fashioned (in one's way of thinking) Discussions Log in to talk about this word.