やくじょう 約定 LinksSentence search for 約定Sentence search for やくじょうKanji details for 約 and 定Edit in JMdict Noun, Suru verb, Transitive verb1. agreement; stipulation; contract Jreibun 有価証券を購入することにし、やくじょうしょ約定書にサインをした。その際、やくじょう約定にいはん違反するとばっきん罰金がか課せられるという説明を受けた。I decided to purchase securities and signed a contract. In so doing, it was explained that if I violated the agreement of the contract, I would be fined. Discussions Log in to talk about this word.