pugnacious

Combative in nature. synonym: belligerent.

Disposed to fight; quarrelsome; given to fighting: as, a pugnacious fellow; a pugnacious disposition.

Synonyms Contentious.

Disposed to fight; inclined to fighting; quarrelsome; fighting.

Naturally aggressive or hostile; combative; belligerent.

tough and callous by virtue of experience

ready and able to resort to force or violence