| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | failing in physical and mental capabilities due to old age |
| Synonyms: | aged, ancient, anile, decrepit, doddering, doting, enfeebled, feeble, imbecile, in second childhood, infirm, old, senescent, shattered, sick, weak |
| Antonyms: | alert, well, young |