a person who hates or opposes another person and tries to harm them or stop them from doing something - a country, or the armed forces of a country, that is at war with another country
The enemy prepared to attack the kingdom.
In times of war, soldiers are trained to identify and neutralize the enemy.
The detective worked tirelessly to uncover the identity of the mysterious enemy within the organization.
Sometimes, fear can be our own worst enemy, holding us back from reaching our full potential.
The superhero faced a formidable enemy, a villain with sinister plans to conquer the city.