Felt fur outfit was edgy (7)

I believe the answer is:

fretful

I'm a little stuck... Click here to teach me more about this clue!

'edgy' is the definition.
(thesaurus)

'felt fur outfit' is the wordplay.
'felt fur' anagrams to 'FRETFUL'.
Though, I am unsure how this is indicated.

'was' is the link.

Can you help me to learn more?

(Other definitions for fretful that I've seen before include "Anxious" , "Distressed" , "Nervous and unable to relax" , "on edge" , "Peevish" .)

I've seen this clue in the Sydney Morning Herald.

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