<p><strong>Adjective</strong></p><ul><li>of the surrounding area or environment: The temperature in the display case was 20° lower than the ambient temperature.</li><li>completely surrounding; enveloping: Many pollutants are present in ambient air in relatively low concentrations.</li><li>creating a certain reaction or mood, often a subconscious one, by being wherever people tend to be: ambient advertising on a shopping cart.</li><li>pertaining to or noting sounds that create a peaceful and relaxed atmosphere: I stream ambient ocean sounds to help me fall asleep.</li><li>pertaining to or noting close and constant social contact and communication fostered by the internet or the use of digital devices: social media sites that enable ambient intimacy and awareness.</li></ul><p><strong>Noun</strong></p><ul><li>ambient music (def 1).</li></ul>