The meaning of SENILE is of, relating to, exhibiting, or characteristic of old age; especially, sometimes disparaging + offensive : exhibiting a decline of cognitive abilities (such as …

SENILE definition: 1. showing poor mental ability because of old age, especially being unable to think clearly and…. Learn more.

Oct 16, 2025 · "Senile" and "senility," though, are more commonly used to describe age-related cognitive decline—as in senile Alzheimer's, senile dementia, and senile plaques.

SENILE definition: showing a decline or deterioration of physical strength or mental functioning, especially short-term memory and alertness, as a result of old age or disease. See examples …

If old people become senile, they become confused, can no longer remember things, and are unable to look after themselves.

Sep 22, 2025 · senile (comparative more senile, superlative most senile) Of, or relating to old age. quotations

senile (ˈsiːnaɪl) adj 1. of, relating to, or characteristic of old age 2. mentally or physically weak or infirm on account of old age