The word "un-packs" means to remove items from a container or luggage. Its antonyms would be words that describe the process of packing items into a container. Some examples of antonyms for "un-packs" are "packs," "fills," "stuffs," "loads," and "crams." These words describe the action of putting things into a bag, box, or suitcase. They are in direct contrast to "un-packs," which refers to taking things out of a container. Knowing the antonyms of "un-packs" is useful in situations where you need to describe the process of putting things into a container, such as when packing for a trip or organizing your belongings.