the exception that proves the rule

idiomPart ofexception

the exception that proves the rule — idiom

1. A saying used when something unusual happens that, by being different from the g

1.idiom
Definition

A saying used when something unusual happens that, by being different from the general situation, actually confirms that the general rule is still true in most cases.

Example

Sumin is usually late, but today she arrived early — I guess that's the exception that proves the rule.

One rainy day in the dry season is the exception that proves the rule.