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

At 80 years old, Occhicone became the second-oldest inmate ever executed in the United States and the oldest inmate ever executed in Florida, which is putting more elderly prisoners to death than any other state in the nation.

— Amanda Lee Myers, USA Today, 29 July 2026
The government also gave the green light for private care facilities for elderly Cubans — many young Cubans who would have traditionally cared for their aging relatives have migrated abroad.

— ABC News, ABC News, 29 July 2026

Definition of elderly

Adjective

Unlike my original e-bike, the Huffy includes metal fenders, a metal chain guard, and a battery that can charge in or out of the bike - all for a third of the price of my old bike.

— William Roberson, Forbes.com, 22 July 2026
Tyler James Feehan shared memories of the 25-year-old who was killed on July 17 as a result of Iranian strikes on Jordan.

— Arpita Dasika, CNN Money, 22 July 2026

Definition of old

Adjective

Beijing has appointed its own senior monks, maintained close surveillance and controls on religious expression, and faced allegations of cracking down on peaceful dissent and forcing the large-scale relocation of rural and nomadic Tibetans.

— CNN Money, CNN Money, 2 Aug. 2026
Twelve of its 13 members approved it, including senior figures in the Revolutionary Guard and the military.

— ABC News, ABC News, 2 Aug. 2026