氛围 (fēn wéi) is a noun meaning 'ambience' or 'aura'—the intangible, collective feeling or mood that characterizes a place, situation, or group. Literally, 氛 means 'vapor' or 'mist' (evoking something subtle and pervasive), and 围 means 'to surround' or 'encircling', so together they suggest an invisible, enveloping atmosphere that affects how people feel. It’s commonly used to describe the emotional tone of social settings: a warm family dinner, a tense meeting, or a lively festival all have distinct 氛围.

This word is abstract and evaluative—it’s not just physical environment but the perceived emotional climate shaped by people, lighting, sound, behavior, and context. It’s frequently modified by adjectives like 轻松的 (relaxed), 庄重的 (solemn), or 热烈的 (enthusiastic). While often translated as 'atmosphere', 氛围 carries stronger connotations of shared human emotion than the more neutral English 'atmosphere'.