See More Titanomachy Pictures >. The Titanomachy, in Greek mythology, was the great war that occurred between the Titans, the old generation of Greek gods, and the Olympian gods, led by Zeus.
noun, plural adversaries. 1. a person, group, or force that opposes or attacks; opponent; enemy; foe. 2. a person, group, etc., that is an opponent in a contest; contestant. 3. the Adversary, the devil; Satan.
Coming from the Latin adversus meaning turned against, adverse is an adjective describing a factor that seems to work against or actively harm something. Think of the related word, adversary, which means enemy or opponent, so that if something is adverse, it acts as if it were the enemy.