bellicose
Concise Oxford English Dictionary © 2008 Oxford University Press:
bellicose /ˈbɛlɪkəʊs/
▶adjective aggressive; ready to fight.
– derivatives
bellicosity /-ˈkɒsɪti/ noun.
bellicosity /-ˈkɒsɪti/ noun.
– origin ME: from L. bellicosus, from bellicus ‘warlike’, from bellum ‘war’.
'bellicose' also found in these Oxford entries:

