The term "containerizes" means to pack or store something in a container. Therefore, its antonyms would be words that describe the opposite action. Some possible antonyms for containerizes are unpack, disperse, distribute, scatter, and separate. For example, instead of containerizing, one could unpack cargo from a container, disperse items across a room, distribute goods to different locations, scatter materials in various places, or separate components from one another. By using these antonyms, we can convey the opposite action of containerizing, which involves taking things out of a container and dispersing them in different locations.