Definition of "Noise" :
noun: the quality of lacking any predictable order or plan
noun: incomprehensibility resulting from irrelevant information or meaningless facts or remarks
"All the noise in his speech concealed the fact that he didn't have anything to say."
noun: the auditory experience of sound that lacks musical quality; sound that is a disagreeable auditory experience
"Modern music is just noise to me."
noun: a loud outcry of protest or complaint
"The announcement of the election recount caused a lot of noise."
noun: sound of any kind (especially unintelligible or dissonant sound)
"He enjoyed the street noises."
noun: electrical or acoustic activity that can disturb communication
verb: emit a noise