Let someone down

What is Let someone down?

Let someone down definition and meaning on Dictionary terms:
Fail to support someone; also, disappoint someone. For example, I was counting on John to come, but he let me down, or The team didn’t want to let down the coach. [Late 1400s] A British phrase with the same meaning is let the side down, alluding to some kind of competition (sports, politics) and dating from the mid-1900s. It is occasionally used in America.


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