English Reference

Word

invincible

Phoneticsin·vin·ci·ble

US/ˌɪnˈvɪnsəbəɫ/

UK/ɪnvˈɪnsəbəl/

Definitions

01impossible to defeat

B2

adj. too powerful to be defeated or overcome by anyone else.

adj. incapable of being conquered, defeated, or subdued. Usually non-gradable; one is either invincible or not.

“The team felt invincible after winning ten games in a row.”

“The empire's military was once considered invincible, but a series of internal conflicts eventually led to its collapse.”

Synonyms

unbeatableunconquerableindomitable

Antonyms

vulnerableweakbeatable

02an unbeatable person

C2

n. a person or thing that cannot be defeated.

n. one who is invincible; an entity that cannot be overcome or destroyed.

“In the old legends, the hero was an invincible who never lost a battle.”

“The poet depicts the protagonist not as a mere man, but as an invincible against the tides of time.”

Literary

Real-World Examples

“Gillian Anderson and Hannah Einbinder star in 'Camp Miasma.' MUBI Oversexed teenagers, invincible killers and a deserted cabin – what could possibly go wrong?”
The Conversation · 29 Sept 2026
“While the British and German forces might have seemed all but invincible at this point, that perception would soon change.”
Smithsonian Magazine · 13 Aug 2026

Etymology

From Middle French invincible, from Latin invincibilis (“unconquerable”), from in- (“not”) + vincibilis (“conquerable”), from vincere (“to conquer”).

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry

Level
B2 · Upper Intermediate
Frequency
Frequent
Updated

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