An old person. Now rare.

An older person. Also: the oldest. Obsolete.

A person advanced in life. Cf. elder, n.3 2b.

An old or aged man (or animal); a patriarch.

An old person. Frequently as a contemptuous form of address. Cf. mouldy, adj.1 2a.

A person living in the biblical period before the time of the Flood, esp. any of the patriarchs (cf. senses A. 1 A. 2). Also: a very old or very…

= antediluvian, n. rare.

Superannuated. In quots. used contemptuously. Also as quasi-n. Cf. emeritus, adj. n.

depreciative. A person likened to a dried skin; spec. (a) a miserly or mean person, a skinflint; (b) a withered or wizened person. Obsolete.

A person who is behind the times, who holds antiquated views, etc. Cf. fogey, n. 2.

humorous or derogatory. An elderly person.

colloquial (humorous or derogatory). An old, outmoded, or outdated person or thing; someone or something left over from an earlier era, or having…

an old or experienced person.

gen. A person who is no longer a youth or novice; an elderly or experienced person.

An elderly person.

the Ancient of Days. transf. A very old person or thing. jocular.

senior citizen, a term for an elderly person, esp. one who is past the age of retirement. Originally U.S.

old-age pensioner; old-age pension.

euphemistic (originally and chiefly U.S.). An elderly person.

a person considered to have narrowly and consistently avoided death; (in later use) esp. (chiefly British) an elderly person, considered…

Also wrinklie. An old or middle-aged person. slang.

Also crumblie. An elderly person, older than a wrinkly, n.; loosely, any person considered to be old or senile. slang.

In weakened use: an old or senile person. Also transferred, anything old or outdated. colloquial.