feud
Pronunciation:
/fjuːd/noun
Definitions
A state of long-standing mutual hostility.
Example: You couldn't call it a feud exactly, but there had always been a chill between Phil Mickelson and Tiger Woods.
A staged rivalry between wrestlers.
A combination of kindred to avenge injuries or affronts, done or offered to any of their blood, on the offender and all his race.
verb
Definitions
To carry on a feud.
Example: The two men began to feud after one of them got a job promotion and the other thought he was more qualified.