Combativeness

noun

1. The character or quality of being combative; disposition to contend or fight; pugnacity. By phrenologists the word is used to designate one of the propensities. See cut under phrenology.
2. The quality of being combative; propensity to contend or to quarrel.
3. A cranial development supposed to indicate a combative disposition.
4. the state of being combative
5. a militant aggressiveness