必着 ひっちゃく Meanings Noun, する verb, Intransitive must arrive (no later than; e.g. of an application); must be received; must be delivered Noun, する verb, Transitive must wear (e.g. a seatbelt); must have on Kanji 必 must. Read as ヒツ. 着 arrive. Read as チャク. Jinuma: Japanese Dictionary · Word lists