The antonyms for the word "divide" are unite, merge, combine, join, and connect. "Unite" implies coming together to form a whole or a unified group, while "merge" suggests the blending of two separate entities into one. "Combine" means to bring together two or more things to create a single entity or to make something more effective. "Join" implies the act of attaching or binding one thing to another, while "connect" refers to establishing a link or a relationship between two or more things. These antonyms show the opposite meaning to the word "divide," which means to separate or cut into pieces.