Versus (preposition)

1. As compared to; in contrast to.
2. In opposition or competition with.
3. In a legal action against.

Origin:

Late middle english: from latin, ablative of versus "turned", from vertere "to turn".

Examples:

1. The team played versus the state champions.
2. I prefer coffee versus tea.
3. The company's sales versus last year are down.
4. The lawyer argued the case versus the prosecution.
5. The new product versus the old one is more efficient.