Wave aside Definition 1 of 2Pro Tip 1/3Not Taking Seriously Used when someone does not consider something with the seriousness it might deserve. She just waved aside the rumor as if it meant nothing. Pro Tip 2/3Indicating Irritation May show annoyance or impatience towards something someone brings up. He waved aside the interruption, clearly irritated. Pro Tip 3/3Casual Conversation Often used in casual or informal discussions rather than formal ones. In the team meeting, her ideas were waved aside.