Obstreperous/əbˈstrepərəs/ Definition 1 of 1Pro Tip 1/3Negative connotation Used to show disapproval or annoyance, especially with behavior. The obstreperous outburst during the meeting was frowned upon. Pro Tip 2/3Behavior specific Mostly describes people, especially children, or groups causing trouble. The babysitter found the obstreperous twins a handful. Pro Tip 3/3Emphasizes sound Highlights loud and disruptive noises rather than general disobedience. His obstreperous laughter during the library study hours was inappropriate.