Word大たい切せつtaisetuMeaningimportant; preciousPart of speechna-adjectivePronunciationCourseJapaneseLessonVocabulary expansion 38Breakdown of taisetubig大This guy is so big that everywhere he goes, there's only space for one person.cut切If you have seven swords, you can cut anything.Usages of taisetu毎まい晩ばん、 歯は を 磨みがくこと は 大たい切せつ です。maiban, ha wo migakukoto ha taisetu desu.Brushing your teeth every night is important.