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

Don't let perfect be the enemy of good. —Grace Bastidas, Parents, 24 Mar. 2025

With other countries developing nuclear weapons also, America cannot afford to be making enemies. —Chicago Tribune, 24 Mar. 2025

With bosses, the respawn point is set to right outside their room, with no enemies to worry about on the way back. —Scott McRae, Rolling Stone, 24 Mar. 2025

The recent successes in tracking and targeting enemy assets indicate a broader strategy to weaken the adversary’s military presence and capabilities. —Kapil Kajal, Interesting Engineering, 24 Mar. 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"