Inexhaustible
Inexhaustible adjective - Showing no signs of weariness even after long hard effort.
Old and inexhaustible are semantically related. In some cases you can use "Old" instead an adjective "Inexhaustible".
Nearby Words: inexhaustibility, inexhaustibly
Old
Old adjective - Being of advanced years and especially past middle age.
Inexhaustible and old are semantically related. Sometimes you can use "Inexhaustible" instead an adjective "Old".
Mutual synonyms
Both words in one sentence
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Also, an aeons-old electrical gun with an inexhaustible power source, courtesy of The Great Race of Yith.
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The Alleged Car: Ben's car RHAPAW (Rode Hard And Put Away Wet), a 15-year-old Buick "composed primarily out of duct tape and spackle" that runs "not on gasoline, but the inexhaustible fuel of human hope", certainly qualifies.
Source: Literature / Paper Towns -
In Paper Towns, Ben's car RHAPAW (Rode Hard And Put Away Wet), a 15-year-old Buick "composed primarily out of duct tape and spackle" that runs "not on gasoline, but the inexhaustible fuel of human hope", certainly qualifies.
Source: The Alleged Car
Cite this Source
Old and Inexhaustible. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/inexhaustible/old
Inexhaustible & Old. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/inexhaustible/old>.
Old or Inexhaustible. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/inexhaustible/old.
Google Ngram Viewer shows how "inexhaustible" and "old" have occurred on timeline