Two rangy shepherd dogs trotted up pleasantly, until they caught the scent of strangers, and then they backed cautiously away, watchful, their tails moving slowly and tentatively in the air, but their eyes and noses quick for animosity or danger.
There are no more uses of "animosity" in the book.
Show samples from other sources
I was afraid she would be angry, but she responded without a hint of animosity.
Life appears to me too short to be spent in nursing animosity or registering wrongs.