Decompounded means to break down or separate into its individual parts or components. The antonyms for decompounded are compound, combine, fuse, blend, and integrate. These words all imply the process of bringing together separate elements to form a whole. When something is not decompounded, it means it is not broken down into its separate parts. Instead, it is combined or fused to create something new. For example, a compound word is formed by combining two or more words to create a new word with a different meaning. Similarly, blending different colors together creates a new hue, while integrating different systems in a company creates a more efficient and effective operation.