Surly/ˈsɜːrli/ Definition 1 of 2Pro Tip 1/3Perceived Intent Surly often suggests a deliberate intent to be unpleasant. The surly guard dismissed my question with a wave. Pro Tip 2/3Social Interaction When someone is surly, they make others feel unwelcome or uncomfortable. Her surly comments during the meeting silenced us. Pro Tip 3/3Mood Indicator Use 'surly' to imply someone's mood is temporarily unpleasant. After losing the game, he was unsurprisingly surly.