Firm
Firm adjective - Not showing weakness or uncertainty.
Invincible and firm are semantically related. In some cases you can use "Invincible" instead an adjective "Firm".
Invincible
Invincible adjective - Incapable of being defeated, overcome, or subdued.
Firm and invincible are semantically related. Sometimes you can use "Firm" instead an adjective "Invincible".
Nearby Words: invincibly, invincibility
Mutual synonyms
Cite this Source
Invincible and Firm. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/firm/invincible
Firm & Invincible. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/firm/invincible>.
Invincible or Firm. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/firm/invincible.
Google Ngram Viewer shows how "firm" and "invincible" have occurred on timeline