disappointed in (someone or something)(redirected from disappointed in one)
disappointed in (someone or something)
Disheartened or upset by someone or something. I know that my parents are very disappointed in my report card this semester. I'm so disappointed in you, Billy. How could you get into a fight at school?
See also: disappointed
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.