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 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

Recent Examples of Synonyms for senile

Adjective

Florida has executed the oldest prisoner in its history, the latest in a spate of capital punishments against elderly death-row inmates.

— Harriet Marsden, TheWeek, 16 July 2026
The daughter in the tree, his wife, his elderly parents, and six more children besides.

— Literary Hub, Literary Hub, 16 July 2026

Definition of elderly

Adjective

Epstein currently holds a minority ownership stake in the Boston Red Sox and serves as a senior advisor to Fenway Sports Group.

— Patrick Mooney, New York Times, 19 July 2026
The journey is now complete, from bathtub to World Cup final, where the 19-year-old Yamal will face a Messi who is 20 years his senior.

— Joseph Wilson, Chicago Tribune, 18 July 2026