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
In one story, Earn’s seemingly routine trip to church with Gloria, Jeanie, and his senile grandfather (Bob Banks) goes pear-shaped when Gloria abruptly drives off with her dad, leaving behind Earn and a bewildered Jeanie, who has recently been their father’s caretaker.
—
Alan Sepinwall, Rolling Stone, 29 Sep. 2022
Why do humans develop senile ovaries by age 30?
—Sandee Lamotte, CNN, 20 Aug. 2022
Trump regularly claimed during the 2020 campaign that Biden was senile.
—Dallas News, 9 Feb. 2022
The sky broken by the bare oaks and elms of New Prospect was full of moist promise, a pair of frontal systems grayly colluding to deliver a white Christmas, when Russ Hildebrandt made his morning rounds among the homes of bedridden and senile parishioners in his Plymouth Fury wagon.
—Wyatt Mason, WSJ, 6 Oct. 2021
See All Example Sentences for senile
Alan Sepinwall, Rolling Stone, 29 Sep. 2022
Why do humans develop senile ovaries by age 30?
—Sandee Lamotte, CNN, 20 Aug. 2022
Trump regularly claimed during the 2020 campaign that Biden was senile.
—Dallas News, 9 Feb. 2022
The sky broken by the bare oaks and elms of New Prospect was full of moist promise, a pair of frontal systems grayly colluding to deliver a white Christmas, when Russ Hildebrandt made his morning rounds among the homes of bedridden and senile parishioners in his Plymouth Fury wagon.
—Wyatt Mason, WSJ, 6 Oct. 2021
See All Example Sentences for senile
Recent Examples of Synonyms for senile
Adjective
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Following Reynolds' death, Tarantino cast Bruce Dern to portray Spahn, who is depicted as an elderly, blind man in the film.—
Tommy McArdle,
PEOPLE,
9 Nov. 2025
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There is no dignity, and no justice, in a system that buries an elderly woman alive in silence.—
Kim Aris,
Time,
7 Nov. 2025
Adjective
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The Chinese retailer, known for its range of cheap ultra-fast-fashion clothing and criticisms of its labor and environmental practices, is nestled on the sixth floor of a more than century-old building in Paris, a city famous for high-end fashion and a recent green push.—
Miranda Jeyaretnam,
Time,
7 Nov. 2025
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In contexts not concerning the elite private colleges of New England and their decades-old conflicts and syllabi and on-campus squabbles, this mode of prestige media procedure matters absolutely and enormously, at scales difficult to tabulate.—
Literary Hub,
Literary Hub,
7 Nov. 2025
Adjective
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Doha Madani Doha Madani is a senior breaking news reporter for NBC News.—
Tim Stelloh,
NBC news,
7 Nov. 2025
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The Continental Army’s senior ranks boasted volunteer officers from as far afield as South America and Eastern Europe.—
Literary Hub,
Literary Hub,
7 Nov. 2025
Cite this Entry
“Senile.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/senile. Accessed 13 Nov. 2025.
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