white noise /ˌwaɪt ˈnɔɪz/ noun3 •A random signal (or process) with a flat power spectral density; a signal with a power spectral density that has equal power in any band, at any centre frequency, having a given bandwidth. •Any nondescript noise used for background or to mask or drown out other noise. •(figurative) Speech that goes ignored or uncomprehended.The rest was white noise; I was sick of listening to who I was supposed to be. — 2017
