прилагательное старческий; дряхлый Например: senile dementia [медицина] — старческое слабоумие Синоним(ы): old
adjective Etymology: Latin senilis, from sen-, senex old, old man 1. of, relating to, exhibiting, or characteristic of old age Example: senile weakness; especially exhibiting a loss of cognitive abilities (as memory) associated with old age 2. approaching the end of a geological cycle of erosion • senilely adverb