Intense refers to something that is extreme or severe, and antonyms for intense can range from mild to moderate. Some antonyms for intense include light, soft, gentle, easy, simple, and mild. These words imply a sense of calmness, simplicity, or lack of severity. Other antonyms for intense include relaxed, peaceful, serene, effortless, and effortless, which imply a sense of tranquility and lack of stress or pressure. In general, the antonyms for intense will depend on the context in which the word is used, and the desired effect that the writer or speaker wishes to achieve.