Invincible and Undefended

Invincible

Invincible adjective - Incapable of being defeated, overcome, or subdued.

Undefended is an antonym for invincible.

Nearby Words: invincibly, invincibility

Undefended

Undefended adjective - Lacking protection from danger or resistance against attack.
Usage example: the cowardly soldiers fled, leaving the palace undefended

Invincible is an antonym for undefended.
Cite this Source
Undefended and Invincible. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/invincible/undefended
Invincible & Undefended. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/invincible/undefended>.
Undefended or Invincible. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/invincible/undefended.
Google Ngram Viewer shows how "invincible" and "undefended" have occurred on timeline