Significados de natural combativeness en inglés

He has a natural combativeness, but maybe something more -an anger that feeds his comedy and drives him to work impossibly hard.

There was, however, a strong spice of natural combativeness in his nature, the direct result of his native and highly trained critical faculty.

The old man stood up with the rest, and his natural combativeness urged him to take part in the fray and call for fair play.