infighting

n.	1.	contention among members of the same organization (usually concealed from outsiders), sometimes of a bitter, intense, or prolonged character.
	2.	fighting, such as boxing, at close quarters.
	3.	rough-and-tumble, free-for-all fighting.

Chinese boxing, aggressiveness, bellicosity, belligerence, bickering, bout, boxing, boxing match, close fighting, combativeness, contentiousness, dissension, dissent, dissidence, faction, factiousness, fighting, fisticuffs, flak, irascibility, irritability, litigiousness, partisan spirit, partisanship, prizefight, prizefighting, pugilism, pugnacity, quarrelsomeness, savate, shadowboxing, shrewishness, spar, the clinches, the fights, the ring