enemy

noun

en·​e·​my ˈe-nə-mē How to pronounce enemy (audio)
plural enemies
Synonyms of enemynext
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

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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
How the missile survives enemy defenses Unlike hypersonic weapons that rely on extreme speed, the NCM-LCM survives by remaining difficult to detect. Kaif Shaikh, Interesting Engineering, 16 June 2026 But there were limits to what the British believed heroism would look like in the face of the enemy. Literary Hub, 16 June 2026 Anyone in Iran today whose voice echoes in line with the enemy, the ground beneath their feet is Tel Aviv and their head is Netanyahu. Laura Secor, The Atlantic, 16 June 2026 The enemy had finally arrived, but in homemade barges and spoke the same language as the soldiers. Marzio G. Mian, Vanity Fair, 16 June 2026 See All Example Sentences for enemy

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

Time Traveler
The first known use of enemy was in the 13th century

Browse Nearby Words

Cite this Entry

“Enemy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/enemy. Accessed 17 Jun. 2026.

Kids Definition

enemy

noun
en·​e·​my ˈen-ə-mē How to pronounce enemy (audio)
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"

More from Merriam-Webster on enemy

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster