( BrE ) ( US ran·cor ) / ˈræŋkə(r); NAmE / noun
[ U ] ( formal ) feelings of hatred and a desire to hurt other people, especially because you think that sb has done sth unfair to you
SYN bitterness :
She learned to accept criticism without rancour .
► ran·cor·ous / ˈræŋkərəs; NAmE / adjective :
a rancorous legal battle
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WORD ORIGIN
Middle English : via Old French from late Latin rancor rankness (in the Vulgate bitter grudge), related to Latin rancidus stinking.