1. (noun) a man who is very old

• greybeard
• methuselah
• old man

1. (noun) a man who is very old

• adult male
• man
• golden ager
• old person
• oldster
• senior citizen

1. (noun) a man who is very old

• antique
• gaffer
• old geezer
• old-timer
• oldtimer
• codger
• old codger
• patriarch