The word "uncalm" can be described as a state of being agitated or restless. Antonyms for "uncalm" include calm, composed, tranquil, serene, and peaceful. Being calm means being free from stress, anxiety, or disturbance. When a person is composed, they are in control of their emotions and do not easily get upset. A tranquil environment feels peaceful and serene, creating a sense of harmony and relaxation. Serene is a state of being calm and peaceful, while peaceful is a state of being free from disturbance or conflict. These words are the opposite of "uncalm," and evoke feelings of comfort, safety, and tranquility.