Synonyms of senescent

senescent

adjective

as in older

being of advanced years and especially past middle age

symptoms most often seen in senescent people

Synonyms & Similar Words

• older
• elderly
• aging
• old
• aged
• geriatric
• over-the-hill
• ancient
• senior
• long-lived
• long in the tooth
• of a certain age
• adult
• octogenarian
• sexagenarian
• septuagenarian
• middle-aged
• nonagenarian
• senile
• superannuated
• unyoung
• oldish
• venerable
• retired
• doddering
• centenarian
• decrepit
• mature
• spavined
• patriarchal
• pensioned
• grown-up
• matriarchal
• tottery
• anile
• overage

Antonyms & Near Antonyms

• young
• youthful
• ageless
• juvenile
• immature
• adolescent
• youngish
• minor
• puerile
• green
• inexperienced
• infantile
• callow
• underage
• childish
• childlike
• raw
• preteen
• babyish
• infantine
• kiddish

Example Sentences

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