Rip-roaring is an adjective used to describe something that is exciting, thrilling, and full of action. However, there are always situations where one needs to express the opposite meaning of this word. Some antonyms for rip-roaring are calm, peaceful, quiet, tranquil, and serene. While rip-roaring denotes a state of energy and excitement, antonyms describe a state of restfulness or calmness. Using these antonyms in the right context will help convey the exact meaning required for a situation. Therefore, knowing antonyms can help to enhance your vocabulary and avoid confusion in communication.