かいし 開始 Common word JLPT N3 Wanikani level 10 Play audio LinksSentence search for 開始Sentence search for かいしKanji details for 開 and 始Edit in JMdict Noun, Suru verb, Transitive verb, Intransitive verb1. start; commencement; beginning; initiationAntonym: 終了 Discussions Log in to talk about this word.