enmity
EN-mih-teenounMeaning deep, lasting hatred between enemies
Memory hook EN-MITY: what ENEMIES feel. The kings of the two castles have been enemies for a hundred years, and neither will even nod to the other. Their enmity never fades.
The enmity between the two families lasted three generations.
In context The old enmity between the river towns finally ended when a flood forced them to work side by side, and they found they liked each other.
Similar hatred, hostility, ill will, feud
Opposite friendship, amity, goodwill
From Old French enemistie, from Latin inimicus, “enemy”: in- (not) + amicus (friend).