協約 きょうやく Meanings Noun, する verb, Transitive pact; convention; agreement Kanji 協 cooperate. Read as キョウ. 約 promise. Read as ヤク. Words containing 協約 労働協約 (ろうどうきょうやく) labor agreement 協約国 (きょうやくこく) high contracting powers 協約書 (きょうやくしょ) written agreement And 3 more. Jinuma: Japanese Dictionary · Word lists