feud feud /ˈfjuːd/

noun

1. A bitter quarrel between two parties  ( feud )
   a bitter quarrel between two parties
    The long-standing feud between the two families had spanned generations.
   The long-standing feud between the two families had spanned generations.
   
   

verb

1. Carry out a feud  ( feud )
   carry out a feud
    The two professors have been feuding for years
   The two professors have been feuding for years