as in senility
technical + formal
the state of being old or the process of becoming old
premature senescence
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Recent Examples of senescence
Nanoparticle delivery of innate immune agonists combined with senescence-inducing agents promotes T cell control of pancreatic cancer.
—
Hannah Millington, MSNBC Newsweek, 10 Oct. 2025
Though a longer period of senescence might sound exciting for autumn enthusiasts, the downside is that leaves have less time to photosynthesize.
—Humberto Basilio, Scientific American, 10 Oct. 2025
Ghost, a giant Pacific octopus, has entered the final stage of her life – senescence, the Long Beach aquarium said.
—Paloma Chavez, Sacbee.com, 9 Sep. 2025
Among those 60 years of age and older, Pilates has even been shown to slow the process of senescence.
—Leah Asmelash, CNN Money, 7 Sep. 2025
See All Example Sentences for senescence
Hannah Millington, MSNBC Newsweek, 10 Oct. 2025
Though a longer period of senescence might sound exciting for autumn enthusiasts, the downside is that leaves have less time to photosynthesize.
—Humberto Basilio, Scientific American, 10 Oct. 2025
Ghost, a giant Pacific octopus, has entered the final stage of her life – senescence, the Long Beach aquarium said.
—Paloma Chavez, Sacbee.com, 9 Sep. 2025
Among those 60 years of age and older, Pilates has even been shown to slow the process of senescence.
—Leah Asmelash, CNN Money, 7 Sep. 2025
See All Example Sentences for senescence
Recent Examples of Synonyms for senescence
Noun
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There are, however, some relevant differences between the situations of our two oldest presidents, likely reflective of the differences between senility and madness.—
Bradley Gitz,
Arkansas Online,
2 Feb. 2026
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After the muddle of Kamala Harris and the senility of Joe Biden, Democrats need substantive and sophisticated leaders primed for traditional and new media alike.—
Harpers Magazine,
Harpers Magazine,
19 Sep. 2025
Noun
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Officers and horses are paired for the duration of the animal's career, which typically ends around age 20.—
Eve Chen,
USA Today,
29 Mar. 2026
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Both victims were under age 5 at the time of the crime, according to the statement.—
Lillie Davidson,
Fort Worth Star-Telegram,
28 Mar. 2026
Noun
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In his basketball dotage, Kyle Lowry is getting soft.—
Eric Koreen,
New York Times,
13 Jan. 2026
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In our dotage, many of us look askance at our motor vehicle and opt to head for Staters in the ubiquitous golf cart.—
Oc Register,
Oc Register,
22 June 2025
Noun
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Yields on the 10-year maturities of all G7 economies all remain substantially lower than on 10-year gilts.—
Ian King,
CNBC,
25 Mar. 2026
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But what impresses Auriemma the most is Quinonez’s maturity, especially in how quickly she’s adapted to a brand new style of basketball.—
Emily Adams,
Hartford Courant,
22 Mar. 2026
Cite this Entry
“Senescence.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/senescence. Accessed 31 Mar. 2026.
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