Old
Old adjective - Being of advanced years and especially past middle age.
Perpetual and old are semantically related. in traditional topic. In some cases you can use "Perpetual" instead an adjective "Old".
Mutual synonyms
Both words in one sentence
- He's really infinite years old, having lived the same seven thousand years in a perpetual loop.
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I Just Want to Be Special: He occasionally considers that the next best thing to being given back his old life would be to become a Real Spy rather than a perpetual "asset".
Source: Series / Chuck - Pinoko is physically a perpetual child but mentally considers herself to be eighteen years old, with some justification.
Source: Wife Husbandry
Cite this Source
Perpetual and Old. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/old/perpetual
Old & Perpetual. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/old/perpetual>.
Perpetual or Old. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/old/perpetual.
Google Ngram Viewer shows how "old" and "perpetual" have occurred on timeline