Word.ws English Dictionary

undefeatable

/ˌʌndəˈfiːtəbəl/

undefeatable adjective: not defeatable; impossible to defeat.

Adjective

undefeatable (not comparable)

  1. Not defeatable; impossible to defeat.
    • Near-synonyms: impregnable, impenetrable, unassailable, unconquerable
    • When the Marshal is removed from the game board the General is undefeatable and its value needs to be changed accordingly.2010 March, Sander Arts, “COMPETITIVE PLAY IN STRATEGO”, in Maastricht University, page 36

Noun

undefeatable (plural undefeatables)

  1. Something undefeatable or invincible.

Synonyms of undefeatable

All synonyms of undefeatable

Forms of undefeatable

pluralundefeatables

Origin of undefeatable

From un- + defeat + -able.

Words formed from undefeatable

Questions about undefeatable

What does undefeatable mean?
Undefeatable means not defeatable; impossible to defeat.
What part of speech is undefeatable?
Undefeatable can be an adjective or a noun.
How do you pronounce undefeatable?
Undefeatable is pronounced /ˌʌndəˈfiːtəbəl/.

Words near undefeatable in the dictionary

  1. undefaulted
  2. undefaulting
  3. undefeasible
  4. undefeat
  5. undefeatability
  6. undefeatable
  7. undefeatableness
  8. undefeatables
  9. undefeatably
  10. undefeated
  11. undefeatedly

Source and license

Adapted from Wiktionary: undefeatable (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “undefeatable.” Word.ws, https://word.ws/undefeatable. Based on Wiktionary, CC BY-SA 4.0.