sound of any kind (especially unintelligible or dissonant sound)

the auditory experience of sound that lacks musical quality; sound that is a disagreeable auditory experience

electrical or acoustic activity that can disturb communication

a loud outcry of protest or complaint

incomprehensibility resulting from irrelevant information or meaningless facts or remarks

the quality of lacking any predictable order or plan

emit a noise

the condition of being noisy (as in a communication channel)

the amplitude level of the undesired background noise

annoying and potentially harmful environmental noise

making no sound

without a sound

the property of making no noise

a device (such as a clapper or bell or horn) used to make a loud noise at a celebration