さいぜんつ 最善を尽くす Show inflections LinksSentence search for 最善を尽くすSentence search for さいぜんをつくすSentence search for 最善をつくすKanji details for 最, 善 and 尽Edit in JMdict Expressions (phrases, clauses, etc.), Godan verb with 'su' ending1. to do one's best; to do something to the best of one's abilityOther forms最善をつくす 【さいぜんをつくす】 Discussions Log in to talk about this word.