Methuselah

Me·thu·se·lah ¹  (m-thz-l)

A biblical patriarch said to have lived 969 years.

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Me·thu·se·lah ²  (m-thz-l)

n.

An extremely old man.

Thesaurus

Noun	1.	Methuselah - (Old Testament) a patriarch (grandfather of Noah) who is said to have lived 969 years Old Testament - the collection of books comprising the sacred scripture of the Hebrews and recording their history as the chosen people; the first half of the Christian Bible
	2.	Methuselah - a man who is very old                 graybeard, greybeard, old man codger, old codger - used affectionately to refer to an eccentric but amusing old man adult male, man - an adult person who is male (as opposed to a woman); "there were two women and six men on the bus" golden ager, old person, oldster, senior citizen - an elderly person antique, gaffer, old geezer, old-timer, oldtimer - an elderly man patriarch - a man who is older and higher in rank than yourself