Discomposed refers to a state of agitation or turmoil. The antonyms for discomposed are calm, composed, serene, tranquil, and peaceful. When one is composed, they are calm and collected, whereas, when one is discomposed, they are agitated and uneasy. Serenity is the antonym for discomposed as it refers to a state of being calm and peaceful. Similarly, tranquility is the opposite of discomposed, as it refers to a state of being free from agitation or disturbance. Peaceful is another antonym for discomposed as it reflects a state of calm and quiet, devoid of any disturbance.