Invincible
Invincible adjective - Incapable of being defeated, overcome, or subdued.
Usage example: an invincible wrestler who has never lost a match
Secure and invincible are semantically related. in impregnable topic. In some cases you can use "Secure" instead an adjective "Invincible".
Nearby Words: invincibly, invincibility
Secure
Secure adjective - Having or showing great faith in oneself or one's abilities.
Invincible and secure are semantically related. Sometimes you can use "Invincible" instead an adjective "Secure".
Mutual synonyms
Both words in one sentence
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The Destroyer in Borderlands is a horrifying, Lovecraftian monster sealed within the Vault everyone is trying to secure, and is said to be dangerous enough to lay waste to this universe and is invincible in the universe it comes from.
Source: Lovecraft Lite
Cite this Source
Secure and Invincible. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/invincible/secure
Invincible & Secure. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/invincible/secure>.
Secure or Invincible. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/invincible/secure.
Google Ngram Viewer shows how "invincible" and "secure" have occurred on timeline