senescent

adjective

Definition of senescentnext
as in older
being of advanced years and especially past middle age symptoms most often seen in senescent people

Synonyms & Similar Words

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Antonyms & Near Antonyms

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of senescent Zombie cells are senescent cells, which are cells that are technically alive but in growth arrest due to a variety of stressors, including oxidative stress and DNA damage. — Celia Shatzman, Forbes.com, 18 Sep. 2025 But having too few senescent cells is dangerous, because senescence helps block tumors. — Tad Friend, New Yorker, 4 Aug. 2025 QAnon was for senescent boomers; fashwave and Embrace Masculinity clips are millennial-coded. — Kieran Press-Reynolds, Pitchfork, 30 Apr. 2025 If the cells were truly senescent, then the medications should both reduce the number of senescent cells and reverse many of the structural DNA changes and gene expression disruptions. — Megan Molteni, STAT, 9 Jan. 2022 See All Example Sentences for senescent
Recent Examples of Synonyms for senescent
  1. elderly
  2. aging
  3. old
  4. aged
Adjective
  • At 80 years old, Occhicone became the second-oldest inmate ever executed in the United States and the oldest inmate ever executed in Florida, which is putting more elderly prisoners to death than any other state in the nation.
    — Amanda Lee Myers, USA Today, 29 July 2026
  • The government also gave the green light for private care facilities for elderly Cubans — many young Cubans who would have traditionally cared for their aging relatives have migrated abroad.
    — ABC News, ABC News, 29 July 2026
Definition of elderly
Adjective
  • Known as the ultimate anti-aging beauty food (and a favorite among many celebs), salmon is known to be good for your brain and gut health while also lowering liver fat.
    — Audrey Noble, Vogue, 24 July 2026
  • The compounds are promoted for a variety of uses, from anti-aging benefits to better sleep and faster healing.
    — Sara G. Miller, NBC news, 23 July 2026
Definition of aging
Adjective
  • Unlike my original e-bike, the Huffy includes metal fenders, a metal chain guard, and a battery that can charge in or out of the bike - all for a third of the price of my old bike.
    — William Roberson, Forbes.com, 22 July 2026
  • Tyler James Feehan shared memories of the 25-year-old who was killed on July 17 as a result of Iranian strikes on Jordan.
    — Arpita Dasika, CNN Money, 22 July 2026
Definition of old
Adjective
  • The Rum Room isn’t called that for nothing, featuring over 100 rare and aged expressions worldwide that help with making these tiki-style drinks.
    — Carissa Chesanek, Forbes.com, 31 July 2026
  • For those aged 12-19, soda was the top source, followed closely by sweet bakery products and then tea, coffee and candy.
    — Alex Sundby, CBS News, 30 July 2026
Definition of aged

Browse Nearby Words

senescence
senescent
senhorita
See all Nearby Words

Cite this Entry

“Senescent.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/senescent. Accessed 2 Aug. 2026.

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