pugnacious pugnacious /pəgˈnæʃɪs/

adjective

1. Ready and able to resort to force or violence  ( pugnacious , rough )
   ready and able to resort to force or violence
    Pugnacious spirits...lamented that there was so little prospect of an exhilarating disturbance
   pugnacious spirits...lamented that there was so little prospect of an exhilarating disturbance
    They were rough and determined fighting men
   they were rough and determined fighting men
   
2. Tough and callous by virtue of experience  ( hard-bitten , pugnacious , hard-boiled )
   tough and callous by virtue of experience