the quality of lacking any predictable order or plan | a shrill grating or chirping noise made by some insects by rubbing body parts together |
incomprehensibility resulting from irrelevant information or meaningless facts or remarks | |
the auditory experience of sound that lacks musical quality; sound that is a disagreeable auditory experience | |
a loud outcry of protest or complaint | |
sound of any kind (especially unintelligible or dissonant sound) | |
electrical or acoustic activity that can disturb communication | |