Rascal closed urn violently (9)
I believe the answer is:
scoundrel
'rascal' is the definition.
(thesaurus)
'closed urn violently' is the wordplay.
'violently' indicates an anagram.
'closed'+'urn'='closedurn'
'closedurn' anagrammed gives 'SCOUNDREL'.
(Other definitions for scoundrel that I've seen before include "Unprincipled rogue" , "Untrustworthy figure" , "Disreputable type" , "Rat" , "Red consul may be a rogue" .)