Synonyms: pugnacious, rough
Definition: ready and able to resort to force or violence
Usage: pugnacious spirits...lamented that there was so little prospect of an exhilarating disturbance- Herman Melville; they were rough and determined fighting men
Similar words: aggressive
Definition: having or showing determination and energetic pursuit of your ends
Usage: an aggressive businessman; an aggressive basketball player; he was aggressive and imperious; positive in his convictions; aggressive drivers
Synonyms: hard-bitten, hard-boiled, pugnacious
Definition: tough and callous by virtue of experience