truculent
Concise Oxford English Dictionary © 2008 Oxford University Press:
truculent /ˈtrʌkjʊl(ə)nt/
▶adjective eager or quick to argue or fight; aggressively defiant.
– derivatives
truculence noun,
truculently adverb.
truculence noun,
truculently adverb.
– origin C16: from L. truculentus, from trux, truc- ‘fierce’.
'truculent' also found in these Oxford entries:

