Impermanent and Indefectible

Opposite meaning words

Impermanent adjective - Lasting only for a short time.

Usage example: a summer romance that was an impermanent fancy, quickly forgotten

Show all Definitions

Indefectible is an antonym for impermanent.

Indefectible adjective - Being entirely without fault or flaw.

Show all Definitions

Impermanent is an antonym for indefectible.

Cite this Source

Indefectible and Impermanent. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/impermanent/indefectible

Impermanent & Indefectible. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/impermanent/indefectible>.

Indefectible or Impermanent. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/impermanent/indefectible.

Google Ngram Viewer shows how "impermanent" and "indefectible" have occurred on timeline