What does this phrase mean: "I'm completely fed up with my job"?

[maziar]

Test No. incompl/inter-1 "Applying for that Job", question 3

They are completely ......... up with all the noise in the centre of town.

(a) tired
(b) fed
(c) sick
(d) ill

Test No. incompl/inter-1 "Applying for that Job", answer 3

They are completely fed up with all the noise in the centre of town.

Correct answer: (b) fed
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up is working with wich one?

[Alan]

This means you have had enough of something and you cannot take any more.
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English as a Second Language
You can read my ESL story A day in the life of a flat hunter