Asperity/æˈsperəti/ Definition 1 of 3Pro Tip 1/3Negative Emotion Asperity often implies irritation or impatience in the speaker's tone. Her asperity showed she was running out of patience. Pro Tip 2/3Not Always Rude Asperity can be unintentional, as some people's natural speaking manner seems harsh. Despite his asperity, I knew he meant well. Pro Tip 3/3Formal Speech Using asperity is more common in formal language or in literary works. The judge addressed the court with asperity.