The term OPPOSITE OF GO can be solved by two crossword solutions: STOP (4 letters) and CLASH (5 letters). STOP is a verb that means to cease movement or activity. It is often used as an imperative command, such as when a teacher tells students to STOP talking. CLASH is a verb that means to come into conflict or disagreement. It is often used to describe two opposing forces or ideas that are in opposition to each other.