Deciduous and Indefectible

Deciduous

Deciduous adjective - Lasting only for a short time.
Usage example: he chose not to fret about the deciduous discomforts of his existence

Indefectible is an antonym for deciduous.

Indefectible

Indefectible adjective - Being entirely without fault or flaw.

Deciduous is an antonym for indefectible.
Cite this Source
Indefectible and Deciduous. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/deciduous/indefectible
Deciduous & Indefectible. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/deciduous/indefectible>.
Indefectible or Deciduous. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/deciduous/indefectible.
Google Ngram Viewer shows how "deciduous" and "indefectible" have occurred on timeline