'infighting' definitions:

Definition of 'infighting'

From: GCIDE
  • infighting \infighting\ n. [in- + fighting.]
  • 1. contention among members of the same organization (usually concealed from outsiders), sometimes of a bitter, intense, or prolonged character.
  • Note: [Such infighting may lead to factionalism.] PJC]
  • 2. fighting, such as boxing, at close quarters. [PJC]
  • 3. rough-and-tumble, free-for-all fighting. [PJC]