The phrase "bitter row" refers to a strong and unpleasant argument or disagreement between people, which is filled with anger, resentment, and hostility. Full definition
The increasingly bitter row over housing benefit reform hits the Commons today, just as it caused significant splits in the Tory party. (politics.co.uk)
His call for her to resign marks the latest turn in the increasingly bitter row between MPs who back Mr Bercow remaining in post and those who want to see him stand down. (politicshome.com)
Chelsea's bitter row with Everton intensified last week after Gary Cahill claimed Stones would find it «hard to turn down» a move to Stamford Bridge. (telegraph.co.uk)