Old
Old adjective - Being of advanced years and especially past middle age.
Obsolescent and old are semantically related. In some cases you can use "Obsolescent" instead an adjective "Old".
Obsolescent
Obsolescent adjective - Becoming obsolete.
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Synonyms for Obsolescent
Nearby Words: obsolete, obsolescence
Mutual synonyms
Related pairs
Cite this Source
Obsolescent and Old. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/old/obsolescent
Old & Obsolescent. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/old/obsolescent>.
Obsolescent or Old. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/old/obsolescent.
Google Ngram Viewer shows how "old" and "obsolescent" have occurred on timeline