caducity Synonyms

impermanence ephemerality geriatrics second childhood old age geezerhood lifespan years year weakness transiency senile weakness elderliness retirement age decline of life hoary age advancing years winter of life evening of life autumn of life senile dementia senilism golden years transience superannuation evanescence eld dotage decrepitude decline debility anility anecdotage agedness feebleness fugacity infirmity sunset seniority senility senescence senectitude oldness mortality longevity lapse age