feud
noun
[ fjuːd ]
• a prolonged and bitter quarrel or dispute.
• "his long-standing feud with Universal Pictures"
feud
verb
• be engaged in a prolonged and bitter quarrel or dispute.
• "Hoover feuded with the CIA for decades"
Similar:
quarrel,
fight,
argue,
bicker,
squabble,
dispute,
clash,
differ,
be at odds,
be at daggers drawn,
wage war,
take up arms,
scrap,
fall out,
go at it hammer and tongs,
fight like cat and dog,
Origin:
Middle English fede ‘hostility, ill will’, from Old French feide, from Middle Dutch, Middle Low German vēde, of Germanic origin; related to foe.