ENEMY

[noun] [C] - a person who hates or opposes another person and tries to harm them, or (the armed forces of) a country which is at war with another countryI'm glad I've got her as a friend, not an enemy.He has/has made many enemies because of his arrogance.The enemy (= opposing armed forces) has/have succeeded in stopping our supplies from getting through. [C + singular or plural verb]The city has been the victim of an enemy attack/an attack by enemy aircraft.The soldiers are advancing into enemy territory/behind enemy lines.(figurative) The main enemy of (= person or thing that prevents or fights against) progress in the country is the people's refusal to see change as an opportunity rather than a threat.