Contentious rivalry or disagreement among members of a group or organization: infighting on the President's staff. (noun)
Fighting or boxing at close range.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "infighting" in a sentence
"Jacob Zuma on Sunday spoke out against what he described as infighting within the ruling African National Congress."
"Instead, he spoke out against what he described as infighting within the ANC."
"All the democratic 'infighting' is mostly republicans posing as democrats."