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
His older brother, played by Paul Wesley, has died under mysterious circumstances, forcing Ethan to return home to contend with that grief, with the stark fact of his senile mother, and with the resentments of former friends who view his departure as a betrayal.
—
Richard Lawson,
HollywoodReporter,
18 Mar. 2026
Unfortunately for Bill, his son Andrew (Monk actor Jason Gray-Stanford) is afraid his father is going senile and is in danger of being catfished.
—
Sabienna Bowman,
PEOPLE,
30 Jan. 2026
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
See All Example Sentences for senile
Richard Lawson,
HollywoodReporter,
18 Mar. 2026
Unfortunately for Bill, his son Andrew (Monk actor Jason Gray-Stanford) is afraid his father is going senile and is in danger of being catfished.
—
Sabienna Bowman,
PEOPLE,
30 Jan. 2026
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
See All Example Sentences for senile
Recent Examples of Synonyms for senile
Adjective
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Never leave children, elderly adults or pets in a parked car or truck, even for a few minutes, even if the windows are open, public safety agencies warn.
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According to police, an elderly driver struck a vehicle, struck the pedestrians and then crashed into a building.
Adjective
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The infant, who is 9 months old, was rescued along with her mother, the State Department told Fox News Digital.
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While students honed their skills at the Santa Monica studio for the last year and four months, Blanck found an old pilates studio in Pacific Highlands for rent, but the numbers just didn't add up.
Adjective
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Asked about the impact of successor Mojtaba Khamenei’s absence, Kamrava questioned the official explanation of security concerns, especially given the public appearance of other senior figures, and pointed to previous reports of his injury.
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Sophomore Brett Burnor and senior Nash McElree, a transfer from Texas, are competing.
Cite this Entry
“Senile.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/senile. Accessed 7 Jul. 2026.
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