The phrase "stuffs in" implies the act of putting, filling or overloading all available spaces. To describe the opposite of this act, we can use a number of antonyms such as empty, clear, remove, unload, or vacate. If one wishes to create a more nuanced antonym, other possible words could be select, prioritize, organize, streamline or choose. Antonyms for "stuffs in" refer to a process of de-cluttering, removing, or selecting what is necessary, rather than packing everything in. Opposite actions to "stuffs in" could be beneficial for one's physical space, mental well-being, or for achieving overall efficiency.