Noise/nɔɪz/ Definition 1 of 5Pro Tip 1/3Negative Connotation Often implies annoyance or disruption, not just any loud sound. The construction noise next door is unbearable. Pro Tip 2/3Causes Disturbance 'Noise' can mean an unwanted sound that interrupts what you're doing. I can’t focus with all this noise. Pro Tip 3/3Signaling Presence Can indicate the presence of someone or something nearby. Did you hear that noise upstairs?