Indefeasible and Perpetual

Indefeasible

Indefeasible adjective - Not liable to being annulled or voided or undone.
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Synonyms for Indefeasible

Perpetual and indefeasible are semantically related. In some cases you can use "Perpetual" instead an adjective "Indefeasible".

Perpetual

Perpetual adjective - Lasting forever.
Usage example: an immature jerk who seemed to be in a state of perpetual adolescence

Indefeasible and perpetual are semantically related. Sometimes you can use "Indefeasible" instead an adjective "Perpetual".

Cite this Source
Perpetual and Indefeasible. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/indefeasible/perpetual
Indefeasible & Perpetual. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/indefeasible/perpetual>.
Perpetual or Indefeasible. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/indefeasible/perpetual.
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