Extended and Impermanent

Extended

Extended adjective - Lasting for a considerable time.
Usage example: I've met her, but I have never had an extended conversation with her

Impermanent is an antonym for extended.

Impermanent

Impermanent adjective - Intended to last, continue, or serve for a limited time.
Usage example: built an impermanent structure to serve for the archaeologists' living quarters during the dig

Extended is an antonym for impermanent.
Cite this Source
Impermanent and Extended. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/extended/impermanent
Extended & Impermanent. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/extended/impermanent>.
Impermanent or Extended. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/extended/impermanent.
Google Ngram Viewer shows how "extended" and "impermanent" have occurred on timeline