letdown
/lɛtˈdaʊn/Definitions
1. noun
A disappointing or depressing event or experience
“The loss in the final game was a huge letdown for the team and their fans.”
2. noun
A person or thing that is disappointing or depressing
“The new movie was a letdown after all the hype surrounding it.”
3. verb
To disappoint or disillusion someone
“The news let me down when I found out it wasn’t as I had hoped.”
4. verb
To cause someone or something to be less effective or less enjoyable
“The rain let the party down, forcing it to be cancelled.”