the advanced years of life, esp. human life, when strength and vigor decline
anecdotage old age, when a person may be prone to regale others with anecdotes about his past. [A humorous blend of anecdote and dotage.] anility the condition of behaving like an old woman, used especially of men. Cf. senility. caducity decrepit old age; senility. gerascophobia the fear of growing old. geratology the study of the decline of life, as in old age. —geratologic, geratological, geratologous, adj. geriatrics 1. the science dealing with the diseases, debilities, and care of aged persons. 2. the study of the physical process and problems of aging; gerontology. —geriatrie, adj. —geriatrist, geriatrician, geriatry, n. gerocomy gerontology. gerodontics a dental specialty concerned with the care and treatment of the dental problems of the aged. —gerodontist, n. geromorphism the condition of appearing older than one is. gerontology the branch of science that studies aging and the special problems of the aged. Also called gerocomy. —gerontologist, n. —gerontological, adj. nonagenarianism the state of being in one’s nineties. —nonagenarian, n., adj. —nonagenary, adj. nostology Medicine, Obsolete, the study of senility. octogenarianism the state of being in one’s eighties. —octogenarian, n., adj. —octogenary, adj. opsimathy Rare. 1. a late education. 2. the process of acquiring education late in life. senicide the killing off of the old men in a tribe. —senicidal, adj. senility 1. the state or quality of being old, especially, being afflicted with the infirmity of body and mind that sometimes comes with old age. 2. Informal. a condition of weakness of mind and body, usually associated with advanced age, characterized by the inability to remember simple, recent events, general confusion and bewilderment, and increasing debility. Cf. anility. —senile, adj. septuagenarianism the state of being in one’s seventies. —septuagenarian n., adj. —septuagenary, adj.