SENILE Synonyms: 57 Similar and Opposite Words

senile

adjective

Definition of senile

as in elderly

showing a loss of mental ability (such as memory) in old age a senile man in his eighties Her mother is becoming senile.

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Example Sentences

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Recent Examples of senile Billy Chapman is again introduced as a child (Logan Sawyer) visiting his senile grandpa in a rest home. — Dennis Harvey, Variety, 11 Dec. 2025 The kids can’t spell and the world leaders are senile. — Literary Hub, 21 Oct. 2025 Back on the domestic front, Jeanine has reason to believe that her husband, Paul (Mark O’Brien), is having an affair with her senile mother’s caregiver. — Michael Rechtshaffen, The Hollywood Reporter, 9 Sep. 2023 Don Quixote himself is too often a senile dodderer; Daniel Rubin was creaky in body but youthfully quixotic in spirit. — Jeffrey Gantz, BostonGlobe.com, 17 Mar. 2023 See All Example Sentences for senile

Recent Examples of Synonyms for senile

Adjective

An elderly couple was found dead inside their house on Andover Avenue in Attleboro, Massachusetts, on Wednesday afternoon.

— Amanda Callahan, CBS News, 15 Oct. 2026
The former owner of several unlicensed North Texas boarding homes was sentenced this week to 30 years in prison after pleading guilty to charges tied to the abuse and fatal neglect of elderly and disabled clients in her care.

— Fort Worth Star-Telegram, Fort Worth Star-Telegram, 14 Oct. 2026

Definition of elderly

Adjective

The pickup’s driver, a 34-year-old woman from Garden City, Kansas, was taken into custody but was later released after police consulted with the Sedgwick County District Attorney’s Office.

— Maggie Vespa, NBC news, 19 Oct. 2026
Melanie Lawrence, a 68-year-old independent, worries about wells going dry in her area near Willcox, where the groundwater grew so depleted that the land started to crack.

— Hannah Knowles The Washington Post, Arkansas Online, 19 Oct. 2026

Definition of old

Adjective

The agency, which reps for PR the likes of Danny Dyer, Lolly Adefope and Shazad Latif along with BAFTA and numerous production companies, has a new senior leader team led by founder and CEO Will Wood.

— Max Goldbart, Deadline, 15 Oct. 2026
The executive, who was worked alongside three of Chanel’s four official creative directors, is the last of a generation of senior executives to remain in place, following the arrival in 2021 of Leena Nair as global chief executive officer of Chanel.

— Samantha Conti, Footwear News, 15 Oct. 2026