1The company's main adversary in the market is a large multinational corporation with significant resources.
2In the context of international relations, a nation-state's adversary may not necessarily be an enemy, but rather a rival with competing interests.
3The protagonist of the novel faces a formidable adversary in the form of a corrupt government official.
4The team's coach viewed their upcoming match against their arch-rivals as an opportunity to finally defeat their long-time adversary.
5In the world of cybersecurity, a sophisticated adversary may use advanced techniques to evade detection and breach a company's defenses.