- 和谐性 héxiéxìng compatibilitycompatibility; mutual harmony; the quality of being in harmony
- 琴瑟和谐 qínsèhéxié marital harmonyA metaphor for a happy and harmonious marriage; specifically describes the deep affection and mutual understanding between a husband and wife.
- 鱼水和谐 yúshuǐhéxié marital harmonyto live in perfect harmony like fish and water; used as a metaphor for a happy and harmonious marriage
- 和谐号 héxiéhào Hexie HaoCRH-series high-speed trains operated by China Railway; literally meaning "harmony"
- 和谐世界 héxiéshìjiè harmonious worldA diplomatic concept advocating for mutual respect of diverse cultures, religions, and social systems to promote global peace and prosperity.
- 和谐社会 héxiéshèhuì harmonious societyA political concept in China referring to a society where people live together in harmony, specifically one that is democratic, governed by law, fair, just, honest, and friendly.
- 元音和谐 yuányīnhéxié vowel harmonyvowel harmony; a phonetic process where vowels in a word must belong to the same category, common in certain language families
- 被和谐 bèihéxié to be censored(internet slang) to be "harmonized"; to have content removed or one's account blocked by internet censors. Derived from the official slogan of building a "harmonious society".
- 不和谐 bùhéxié discordantdisharmonious; incompatible; out of tune