The scene was one that, until the perfection of underwater television, few men had ever glimpsed-and even then only for seconds on those rare occasions when the giant antagonists thrashed their way to the surface.
There are no more uses of "antagonist" in the book.
Show samples from other sources
She is my forever antagonist.
Gillian Flynn -- Gone Girl
They could have done him no real harm, of course, but the shock and pain of having a number of his toes nipped simultaneously by an unknown antagonist must have been considerable.