ちゅうせいつ 忠誠を尽くす Show inflections LinksSentence search for 忠誠を尽くすSentence search for ちゅうせいをつくすKanji details for 忠, 誠 and 尽Edit in JMdict Expressions (phrases, clauses, etc.), Godan verb with 'su' ending1. to be loyal to; to serve; to offer allegiance Discussions Log in to talk about this word.