Answer:

senile

AnswerCrossword Clue
SENILERed or Dead
SENILEDotty
SENILEDoddering
SENILEIn one's dotage
SENILEShowing old age
SENILEDeclining, in a way
SENILEDeteriorating from old age
SENILEDeclining from old age
SENILEForgetful, in a way
SENILEForgetful, maybe
SENILENot thinking well
SENILEIn one's second childhood
SENILEShowing sign of decline
SENILEBeyond forgetful
SENILEDoddery
SENILEDeclining in later years
SENILEShowing signs of age
SENILEDoting
SENILEInfirm.
SENILEIn second childhood.
SENILEDoddering.
SENILEDoting.
SENILEOf old age.
SENILENeeding a geriatrician.
SENILEOld but not vigorous.
SENILEHaving the characteristics of old age.
SENILEOld.
SENILEFoolish.
SENILEElderly.
SENILEIn one's anecdotage.
SENILEDecrepit.
SENILECaused by old age.
SENILEOf old age
SENILEDecrepit
SENILELike some nonagenarians
SENILEDeclining
SENILELosing mental powers
SENILEEroded, as a river
SENILEGerontological
SENILEMentally infirm