Gotten in one's hair is an idiom that means to annoy or bother someone. The antonyms for this phrase include pacify, appease, calm, soothe, assuage, placate, and mollify. When someone is getting on your nerves, you can use these words to describe how you want to feel instead. For example, you might say, "I wish he would pacify his behavior" or "She always knows how to calm me down." Using these antonyms can help communicate your feelings in a more positive way and help to resolve conflicts peacefully.