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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Recent Examples of senile
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
But Benjamin Smith, a professor of Latin American history at the University of Warwick in Britain, said the tweet could further fuel ongoing rumors that López Obrador, 69, is senile or otherwise unfit to govern.
—Bryan Pietsch, Washington Post, 25 Feb. 2023
See All Example Sentences for 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
But Benjamin Smith, a professor of Latin American history at the University of Warwick in Britain, said the tweet could further fuel ongoing rumors that López Obrador, 69, is senile or otherwise unfit to govern.
—Bryan Pietsch, Washington Post, 25 Feb. 2023
See All Example Sentences for senile
Recent Examples of Synonyms for senile
Adjective
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That first night, Andrej’s roommates were a man in a coma and an elderly French woman in a diaper and boots (no pants), who marched around her bed singing like a chanteuse.—
Elisabeth Rosenthal,
Miami Herald,
24 Apr. 2026
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The entire neighborhood, which includes Afghan immigrant Rahim (Elham Ehsas) and his elderly parents, has been evacuated to nearby Hyde Park, and the cops, led by the efficient but slightly overwhelmed Chief Superintendent Zuzana (Gugu Mbatha-Raw), have set up a security cordon.—
Bilge Ebiri,
Vulture,
23 Apr. 2026
Adjective
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Senior second baseman Alexis Richter has learned a lot about playing softball from her three older sisters.—
Tony Baranek,
Chicago Tribune,
29 Apr. 2026
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The 73-year-old Weinstein kept his eyes trained on Mann throughout her Tuesday testimony, intermittently whispering to his attorney, Teny Geragos.—
Molly Crane-Newman,
New York Daily News,
29 Apr. 2026
Adjective
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Rolder was committed to play baseball at Illinois before receiving a late wave of football recruiting interest as a senior, eventually leading him to sign with Michigan.—
Steve Millar,
Chicago Tribune,
30 Apr. 2026
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Since 2022, the Irish have stationed a permanent police liaison officer in the Emirates, and have regularly flown senior police officers and political figures to the Emirates for meetings.—
Ed Caesar,
New Yorker,
30 Apr. 2026
Cite this Entry
“Senile.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/senile. Accessed 2 May. 2026.
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