Choose the correct meaning of the following idiom:

To add fuel to fire

To aggravate

The correct meaning of the idiom "to add fuel to fire" is To aggravate.

The other options are incorrect. "In disorder" means to be in a state of chaos or confusion. "Confuse" means to make someone or something unclear or difficult to understand. "Pure water" is water that has not been contaminated by other substances.

The idiom "to add fuel to fire" means to make a bad situation worse. It is often used to describe someone who says or does something that makes an argument or conflict more intense. For example, if two people are arguing and one of them says something that makes the other person even angrier, you might say that they are "adding fuel to the fire."