| an elderly or aged person, esp. one who is retired or whose principal source of support is a pension or Social Security benefits. |
| senior citizen n. A person of relatively advanced age, especially a person at or over the age of retirement. sen'ior-cit'i·zen (sēn'yər-sĭt'ĭ-zən) adj., senior citizenry n. |
senior citizen
in human beings, the final stage of the normal life span. Definitions of old age are not consistent from the standpoints of biology, demography (conditions of mortality and morbidity), employment and retirement, and sociology. For statistical and public administrative purposes, however, old age is frequently defined as 60 or 65 years of age or older
Learn more about senior citizen with a free trial on Britannica.com.
