Feeling fed up? (7)

I believe the answer is:

replete

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This could be a double definition.

'feeling' is the first definition.
Both the answer and definition are adjectives. Perhaps they are linked in a way I don't understand?

'fed up?' is the second definition.
(thesaurus)

Can you help me to learn more?

(Other definitions for replete that I've seen before include "Full, satiated" , "Fully satisfied" , "Sated by food" , "Stuffed, gorged, sated" , "charged" .)

I've seen this clue in The Globe and Mail.

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