1. Used to link two or more opposing or contrasting elements.
1. against, in opposition to.
- It is the Packers versus the Steelers in the Super Bowl.
2. compared with, as opposed to.
3. Bringing a legal action against, as used in the title of a court case in which the first party indicates the plaintiff (or appellant or the like), and the second indicates the defendant (or respondent or the like).