Definition of fed up adjective from the Oxford Advanced American Dictionary

 

fed up

 adjective
adjective
 
[not before noun](informal)
 
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bored or unhappy, especially with a situation that has continued for too long You look fed up. What's the matter? fed up with somebody/something People are fed up with all these traffic jams. In the end, I just got fed up with his constant complaining. This noise has got to stop. I'm fed up with it. fed up with doing something I'm fed up with waiting for her.
See the Oxford Advanced Learner's Dictionary entry: fed up