Definition of "infight"
infight
verb
third-person singular simple present infights, present participle infighting, simple past and past participle infought
(intransitive) To fight with allies or other members of the same group.
Quotations
Unfortunately what we have going on in this world against the new Israeli State, is just like what the Arabs do to their own, as they infight, among Muslims, and different nationalities, and sects, just as the many Christians do, and mostly did during the times of the Protestant revolution, and exodus and expulsion.
2008, Anthony Townsend, Nassira Townsend, The Collapse of America: A Ruined State?, page 62
noun
plural infights
An internal battle; a fight with allies or other members of the same group.
Quotations
The German officer, however, made in his new function as Inspector of Army Motorization an enemy who proved equally ruthless on the battlefield as in the arena of bureaucratic infights—Heinz Guderian.
2011, Jörg Muth, Command Culture: Officer Education in the U.S. Army and the German Armed Forces. 1901-1940, and the Consequences for World War II, page 143