约定俗成 — Chinese idiom
约定俗成
yuē dìng sú chéng
Traditional: 約定俗成
Meaning
- established by popular usage ; common usage agreement
- customary convention
Character by character
- 约yuētreaty, covenant, agreement
- 定dìngto decide, to fix, to settle; to order; definite,
- 俗súsocial customs; vulgar, unrefined
- 成chéngto accomplish; to become; to complete, to finish;
Idioms sharing a character
- 不约而同 bù yuē ér tóng
- 勤俭节约 qín jiǎn jié yuē
- 博文约礼 bó wén yuē lǐ
- 厉行节约 lì xíng jié yuē
- 弃约背盟 qì yuē bèi méng
- 约法三章 yuē fǎ sān zhāng
- 词约指明 cí yuē zhǐ míng
- 隐隐约约 yǐn yǐn yuē yuē
- 风姿绰约 fēng zī chuò yuē
- 一言为定 yī yán wéi dìng
Data: CC-CEDICT (CC BY-SA 4.0); Unihan Database (Unicode License v3). Retrieved 2026-10-22.