He did not know how much of an old boyish repulsion and of mere personal pride and animosity was concerned in the bitter severity of the words by which he meant to do the duty of a son and a brother.
The roach necessarily abhors the mode in which the pike gets his living, and the pike is likely to think nothing further even of the most indignant roach than that he is excellent good eating; it could only be when the roach choked him that the pike could entertain a strong personal animosity.
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.