SENESCENT Synonyms: 59 Similar and Opposite Words

senescent

adjective

Definition of senescent

as in older

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

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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 Some cells even grow senescent, forgetting how to replicate at all. — T.m. Brown, CNN Money, 26 June 2026 In Coconut Grove, Martin and Terra built or co-developed three big high-rise luxury condo projects — seven towers in all — that, while controversial among many residents, helped resuscitate what had been a senescent village center. — Andres Viglucci, Miami Herald, 18 May 2026 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 See All Example Sentences for senescent

Recent Examples of Synonyms for senescent

Adjective

Researchers in China found that repeatedly applying gentle pressure to the shinbones of elderly mice improved their strength, coordination, and performance on memory tests.

— New Atlas, New Atlas, 6 Nov. 2026
Hours earlier, Indiana executed a man for killing two children by setting a house fire in 2010, and in Alabama, a man received the last lethal injection of the day for his conviction in the killing of an elderly man and woman in a home robbery.

— KIM CHANDLER, Arkansas Online, 6 Nov. 2026

Definition of elderly

Adjective

The question is whether emerging science can translate into measurable improvements in skin elasticity and whether those results can be communicated clearly, without turning a complex biological process into the next anti-aging buzzword.

— Amy Francombe, Vogue, 30 Oct. 2026
There’s a reason it hasn’t been licensed for use as an anti-aging drug.

— Gavin Francis, The New York Review of Books, 24 Oct. 2026

Definition of aging

Adjective

Kavedza said 161 of the victims were children aged 9 or younger.

— Nimi Princewill, CNN Money, 6 Nov. 2026
Like Bob Pollard, another classic-rock surrealist, the 43-year-old Hollywell is making the most of a surprise middle-aged career breakthrough by keeping the tape rolling in his home studio at all hours.

— Stuart Berman, Pitchfork, 5 Nov. 2026

Definition of aged

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senescence

senescent

senhorita

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“Senescent.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/senescent. Accessed 9 Nov. 2026.

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Synonyms of senescent

adjective

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