Unusual uproar after loss of silver (5)
I believe the answer is:
outre
'unusual' is the definition.
(thesaurus)
I can't explain the remainder of the clue.
Can you help me to learn more?
(Other definitions for outre that I've seen before include "Going too far" , "Shockingly unusual" , "Unusual, rather shocking (from French)" , "Extravagant, rather shocking" , "Oddball" .)