Unruffle means to calm down or make something smooth. So, antonyms for unruffle would be words that convey the opposite meaning, such as 'agitate', 'disturb', 'fluster', 'ruffle', 'unsettle', or 'upset'. Each of these words indicates a state of disturbance or agitation, and can have a negative effect on our emotional or physical state. Using these words intentionally can cause unrest or discomfort in people, hence we should strive to convey positive energy by using words that are gentle, calm, and soothing. By choosing the right words to communicate, we can create a peaceful environment and encourage a sense of calmness in people.