The antonyms for the word "decomposed" include "composed," "intact," "unbroken," "whole," "combined," and "unspoiled." Composed refers to something that is calm and in control of oneself. Intact relates to something that is not broken or damaged. Unbroken suggests something that has not been subject to damage or deterioration. Similarly, whole refers to something that is complete and not missing any parts. Combined is used when two or more things are joined together. Finally, unspoiled refers to something that is not damaged or negatively impacted by outside forces. Using these antonyms can provide a clearer and more nuanced meaning to the word "decomposed" in various contexts.