animosity
an-uh-MOS-ih-teenounMeaning strong dislike or hostility
Memory hook ANIMAL-OSITY: cat versus dog. The cat and the dog next door hiss and growl at each other across the fence every single day. Their animosity is plain to see.
There was no animosity between the rivals; they shook hands after every match.
In context The animosity between the two clubs ran so deep that the league scheduled their games on different days to keep the fans apart.
Similar hostility, ill will, antagonism, dislike
Opposite friendship, goodwill, affection
From Latin animositas, “boldness, high spirit,” from animus (spirit, mind); the sense of ill will came later.