Part of speech:
A grammatical intensifier, often used in describing something positive. (Mostly in idioms like good old, big old and little old, any old and some old.)
The SI derived unit used to measure the energy absorbed by a substance per unit weight of the substance when exposed to radiation. One gray is equal to one joule per kilogram, or 100 rads. The gray is named after British physicist Louis Harold Gray (1905–1965).
Withdrawn from one's occupation, business, or office; having finished one's active working life.
(--- Roman Catholic Church) Used as a title for a person who has reached the first stage of canonization.
Far along in course or time:
Having reached the age of:
Gray or white with or as if with age.
2009, Larissa Dubecki, "Critic's view", The Age, 24 March 2009:
in old age
Being in an early period of life or growth; not old
Find another word for elderly. In this page you can discover 27 synonyms, antonyms, idiomatic expressions, and related words for elderly, like: aging, old, getting along (or on) in years, gray, senior, elderley, retired, venerable, ancient, advanced and aged.