Definition & Meaning of "enough said"

What is the origin of the idiom "enough said" and when to use it?

The origin of the idiom "enough said" is not precisely documented, but it is a relatively modern idiom that has evolved in English to express the idea that a statement or argument is complete and no further discussion is necessary. It is likely that the phrase developed organically as a concise way to indicate that a point has been adequately made or that a matter has been settled. It is typically used to convey that a point has been sufficiently made or that further discussion is unnecessary.