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 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

Adjective

Two weeks earlier, gangs attacked Fort Dimanche in Cité Soleil, where several elderly residents who were unable to flee their homes were killed.

— Jacqueline Charles, Miami Herald, 3 Sep. 2026
He was also accused of defrauding an elderly patient out of $35,000, according to initial reports.

— Owen Carry, USA Today, 3 Sep. 2026

Definition of elderly

Adjective

Also formulated with hyaluronic acid, shea butter, collagen, peptides, and niacinamide, this anti-aging powerhouse remains true to its name thanks to a seemingly endless list of hydrating ingredients.

— Jenny Berg, Vogue, 31 Aug. 2026
Activscience Neck-Firming Cream The lotion is rich in anti-aging ingredients, such as collagen to add plumpness and hyaluronic acid to boost hydration and radiance.

— Clara McMahon, PEOPLE, 30 Aug. 2026

Definition of aging

Adjective

On June 7, 1945, following Germany’s surrender to the allies in World War Two, Harald, aged 8, returned to Norway with the rest of the royal family and was welcomed by thousands of people on the streets of the capital, Oslo.

— James Frater, CNN Money, 28 Aug. 2026
Children aged 4 and below have the highest case-fatality rate of any age group in the outbreak, at 60%, according to available health data.

— ABC News, ABC News, 27 Aug. 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 5 Sep. 2026.

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Synonyms of senescent

adjective

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