Noisily/ˈnɔɪzɪli/ Definition 1 of 2Pro Tip 1/3Noise Level Use 'noisily' to describe actions with high volume that may disturb others. The children played noisily in the backyard. Pro Tip 2/3Negative Connotation 'Noisily' often implies that the noise is unpleasant or unwanted. He noisily sucked his drink, annoying the other guests. Pro Tip 3/3Action Intensity Use 'noisily' to emphasize the intensity of an action, not just the sound. The engine noisily roared to life.