Infirm
Both words in one sentence
- The sufficiently old or infirm may appear to not sleep at all due to being sedentary when awake.
Source: The Sleepless - If the soldier is willing to sacrifice himself because he's old and infirm and the others have their lives ahead of them, or knows he's too old for a fight but wants to go out in a blaze of glory, that's Death Seeker — or More Hero Than Thou — not this trope.
Source: Perilous Old Fool - Likewise if an immortal suffers their first death at a very old age, they will remain permanently old and infirm until death by beheading.
Cite this Source
Old and Infirm. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/infirm/old
Infirm & Old. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/infirm/old>.
Old or Infirm. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/infirm/old.
Google Ngram Viewer shows how "infirm" and "old" have occurred on timeline