1
: feeling sad, unhappy, or displeased because something was not as good as expected or because something you hoped for or expected did not happen
We were disappointed that they couldn't go.
Disappointed fans slowly left the ballpark.
I was disappointed to see that my suggestions had been ignored.
They were deeply disappointed by her lack of interest.
Don't be too disappointed if everything doesn't go as planned.
2
: unhappy because someone has behaved badly
Your father and I are very disappointed in/with you.
Cite this Entry
“Disappointed.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/disappointed. Accessed 24 Jun. 2026.
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