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

The San Bernardino County Sheriff’s Department announced the capture and extradition of a Southern California man Wednesday, more than two months after he was accused of beating an elderly woman with a bat and fleeing the state.

— Andrew J. Campa, Los Angeles Times, 29 Oct. 2026
Mohamed Soliman, a 47-year-old Egyptian national, entered his plea on nine federal counts of hate crimes, including one resulting in an elderly woman’s death, and three counts of federal explosives charges.

— David Zimmermann, The Washington Examiner, 29 Oct. 2026

Definition of elderly

Adjective

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
The global market for anti-aging products — including anti-wrinkle creams, plastic surgery and hair restoration — was nearly $78 billion in 2025, according to a study by Precedence Research.

— Tom Roland, Billboard, 21 Oct. 2026

Definition of aging

Adjective

An album-length EP by the 20-year-old producer is a dizzying and boundless collage of collages, using free-jazz logic and digital overload to chart new emotional terrain.

— Kieran Press-Reynolds, Pitchfork, 26 Oct. 2026
Rodrigo Valentim, a 51-year-old businessman and supporter of Bolsonaro, said another Lula government would harm the economy.

— Arkansas Online, Arkansas Online, 26 Oct. 2026

Definition of old

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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 2 Nov. 2026.

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Synonyms of senescent

adjective

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