The word "chopping up" has several antonyms, including blending, combining, unifying, and joining. While chopping up refers to the process of cutting or dividing something into small pieces, blending implies mixing different components to form a homogeneous mixture. Combining and unifying suggest bringing together different entities into a cohesive whole. Joining, on the other hand, signifies connecting or linking separate items or parts to form a single unit. While chopping up is often associated with violence or destruction, its antonyms imply harmony, integration, and collaboration. Choosing the appropriate antonym for "chopping up" depends on the context and intended meaning of the sentence.