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

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