It was a war in which he was invited to fight nothing, yet he was pushed forward to fight, he had to fight, he had no choice—and no adversary.
It’s honoring your adversaries too much.
I want to be owned, not by a lover, but by an adversary who will destroy my victory over him, not with honorable blows, but with the touch of his body on mine.
Here she was free to resist, to see her resistance welcomed by an adversary too strong to fear a contest, strong enough to need it; she found a will granting her the recognition of her own entity, untouched and not to be touched except in clean battle, to win or to be defeated, but to be preserved in victory or defeat, not ground into the meaningless pulp of the impersonal.
There are no more uses of "adversary" in the book.
Show samples from other sources
Then, again, our military training is in many respects superior to that of our adversaries.
Thucydides -- Pericles’s Funeral Oration
Finally, it was rumored, there would be complete information-sharing among all of these previously disconnected and even adversarial entities, and when they were coordinated, and once all the health data they’d collected was shared, most of this made possible through the Circle and more important, TruYou, viruses could be stopped at their sources, diseases would be tracked to their roots.