enemy

noun

en·​e·​my ˈe-nə-mē 

plural enemies

1

: one that is antagonistic to another

especially : one seeking to injure, overthrow, or confound an opponent

2

: something harmful or deadly

alcohol was his greatest enemy

3

a

: a military adversary

b

: a hostile unit or force

Synonyms

• adversary
• antagonist
• foe
• hostile
• opponent

Examples of enemy in a Sentence

He made a lot of enemies during the course of his career.

Tradition is the enemy of progress.

Recent Examples on the Web

Do Trump and Vance and their administration regard Ukraine as an ally and Putin’s Russia as an enemy? —Jay Nordlinger, National Review, 18 Feb. 2025

At the conclusion of the Spanish Civil War (1936-39), dictator Francisco Franco declared victory and punished everyone who had opposed him: imprisonment or execution for those at the top of his enemies list and a purge in employment possibilities for others. —Chicago Tribune, 17 Feb. 2025

A long time ago An analysis of bones of ancient humans recovered from a cave near Kraków, Poland, suggest early Europeans may have dined on the brains of their enemies. —Ashley Strickland, CNN, 15 Feb. 2025

The new system will use a system-of-systems approach to stymie enemy ballistic missiles alongside defeating both hypersonic and cruise missiles. —James Stavridis, The Mercury News, 15 Feb. 2025

Word History

Etymology

Middle English enmy, enemi, borrowed from Anglo-French enemi, going back to Latin inimīcus, noun derivative of inimīcus, adjective, "of an opponent, unfriendly, hostile," from in- in- entry 1 + amīcus "friendly, well-disposed, loving" — more at amiable

First Known Use

13th century, in the meaning defined at sense 1

Phrases Containing enemy

• behind enemy lines
• enemy territory
• mortal enemy
• public enemy number one

Kids Definition

enemy

noun

en·​e·​my ˈen-ə-mē 

plural enemies

1

: one that tries to hurt or overthrow or that seeks the failure of another

2

: something that harms

3

a

: a nation with which a country is at war

b

: a military force or a person belonging to such a nation

Etymology

Middle English enemi "enemy," from early French enemi (same meaning), from Latin inimicus (same meaning), from in- "not" and amicus "friend"