懇こん切せつ丁てい寧ねいこんせつていねいじ字FuriganaMeanings1na-adjective, nounkind and thorough; thoughtful and meticulousyojijukugo (four-character idiom)›Describes explanations, guidance, or advice given with great care, patience, and attention to detail. Often used in formal or written contexts.先せん生せいは懇こん切せつ丁てい寧ねい