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Definition of senile

senile

/ˈsiːnaɪl/
se · nile

Adverb:senilely
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senile Lexical Profile

senile Game Scores & Validity

• adjective

1

Having or showing the weaknesses or diseases of old age, especially a loss of mental faculties and memory.

Example

"As the family matriarch grew increasingly senile, she required full-time nursing care to ensure her safety at home."


2

In medicine and biology, relating to, characteristic of, or caused by old age.

Example

"The ophthalmologist specialized in treating senile cataracts and age-related macular degeneration."

Synonyms
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Antonyms
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Word Nuance & Usage

In modern usage, 'senile' is often perceived as dismissive or pejorative when describing elderly individuals; medical professionals and respectful speakers generally prefer specific clinical terms such as 'dementia' or 'cognitive decline.'

• Rhymes for senile

Word Origin & Etymology

Borrowed in the mid-17th century from French sénile or directly from Latin senīlis ('characteristic of old age'), derived from senex ('old man'), which shares the same root as 'senate' and 'senior.'

Cite this Entry


Wordmom. (2026). Definition of Senile. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/senile
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