Irony is when the result of a situation is contrary to what you thought it would be. You would have thought that the cleaning product would make something clean, but instead, it makes a mess.
Irony is a figure of speech in which words convey the opposite of their literal meaning or a situation is contradictory to what one would expect. Since you would expect the cleaning product to clean up the mess, it's ironic that it leaves behind a mess.
