Which term uses two contradictory words together for the purpose of description?

The term that uses two contradictory words together for the purpose of description is called an oxymoron.

Here are some examples of oxymorons:

* Living dead

* Pretty ugly

* Bitter sweet

* Deafening silence

* Working vacation

Oxymorons are often used to create a sense of irony, humor, or paradox. They can also be used to emphasize a particular point or to highlight the complexity of a situation.