Inexhaustible
Inexhaustible adjective - Showing no signs of weariness even after long hard effort.
Perpetual and inexhaustible are semantically related. In some cases you can use "Perpetual" instead an adjective "Inexhaustible".
Nearby Words: inexhaustibility, inexhaustibly
Perpetual
Perpetual adjective - Going on and on without any interruptions.
Inexhaustible and perpetual are semantically related. Sometimes you can use "Inexhaustible" instead an adjective "Perpetual".
Mutual synonyms
Related pairs
- limitless and inexhaustible
- limitless and perpetual
- endless and inexhaustible
- endless and perpetual
- infinite and inexhaustible
- infinite and perpetual
- unfailing and inexhaustible
- unfailing and perpetual
- constant and inexhaustible
- constant and perpetual
- unlimited and inexhaustible
- unlimited and perpetual
- boundless and inexhaustible
- boundless and perpetual
Both words in one sentence
- The "Eternal Flame" is a hypothetical inexhaustible energy source that could be used to fuel a Perpetual Motion Machine.
Source: Literature / Orthogonal
Cite this Source
Perpetual and Inexhaustible. (2016). Retrieved 2026, August 08, from https://thesaurus.plus/related/inexhaustible/perpetual
Inexhaustible & Perpetual. N.p., 2016. Web. 08 Aug. 2026. <https://thesaurus.plus/related/inexhaustible/perpetual>.
Perpetual or Inexhaustible. 2016. Accessed August 08, 2026. https://thesaurus.plus/related/inexhaustible/perpetual.
Google Ngram Viewer shows how "inexhaustible" and "perpetual" have occurred on timeline