Meaning of senile
Pronunciation: (sē'nīl, -nil, sen'īl), [key]
- showing a decline or deterioration of physical strength or mental functioning, esp. short-term memory and alertness, as a result of old age or disease.
- of or belonging to old age or aged persons; gerontological; geriatric.
- (of topographical features) having been reduced by erosion to a featureless plain that stands everywhere at base level. Cf.
- a senile person.
- senile (Thesaurus)