Simple Definition of unhappy
: sad, depressed, or disappointed : not happy
: causing or involving feelings of sadness : not pleasant or joyful
: not appropriate or lucky
Examples of unhappy in a sentence
I can see that he's unhappy, but I don't know why.
I've never seen her looking so unhappy.
For three unhappy days we were all stuck in the house because of the blizzard.
an unhappy choice of career
The movie's hero meets an unhappy fate.
First Known Use of unhappy
UNHAPPY Defined for Kids
Definition of unhappy for Students
1 : not cheerful : sad <an unhappy person>
2 : not pleased or satisfied <We were unhappy with the hotel room.>
3 : full of or showing feelings of sadness or misery <an unhappy childhood> <an unhappy face>
4 : not fortunate : unlucky <an unhappy coincidence>
5 : not suitable : inappropriate <an unhappy choice>
Seen and Heard
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