Declining
Senescent
Senescent adjective - Being of advanced years and especially past middle age.
Declining and senescent are semantically related in becoming older topic. You can use "Declining" instead the word "Senescent" as a noun or an adjective.
Nearby Word: senescence
Mutual synonyms
Related pairs
Cite this Source
Senescent and Declining. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/declining/senescent
Declining & Senescent. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/declining/senescent>.
Senescent or Declining. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/declining/senescent.
Google Ngram Viewer shows how "declining" and "senescent" have occurred on timeline