elderly UK /ˈɛldəli/US /ˈɛldɚli/adjective 2noun 2forms 3 adjective2 •old; having lived for relatively many years. •Of an object, being old-fashioned or frail due to aging.The car was parked toward the rear of the shop, an elderly gray-blue Dodge. It looked better than it had in years. — 1988 noun2 •[plural only] Older people as a whole. •An elderly person.He lives next door to an elderly.He lives next door to some elderlies. formselderlies · more elderly · most elderly