締約 ていやく Meanings Noun, する verb, Transitive, Intransitive conclusion of a treaty Kanji 締 tighten. Read as テイ. 約 promise. Read as ヤク. Words containing 締約 締約国 (ていやくこく) signatory nation 気候変動枠組条約締約国会議 (きこうへんどうわくぐみじょうやくていやくこくかいぎ) United Nations Climate Change Conference Jinuma: Japanese Dictionary · Word lists