Nounold man (plural old men)
- An elderly man.
- (slang) One's father.
- (slang, US) a husband, or significant other
- (slang, US Military) Unit's Commanding Officer.
Casanova, Don Juan, Father Time, Lothario, Methuselah, Nestor, Old Paar, Romeo, abba, amoroso, antediluvian, antique, back number, beau, benedict, boyfriend, caballero, cavalier, cavaliere servente, centenarian, conservative, dad, daddy, dodo, dotard, elder, esquire, father, fellow, flame, fogy, fossil, foster father, fud, fuddy-duddy, gaffer, gallant, geezer, genitor, gigolo, golden-ager, goodman, governor, grampa, gramps, grandfather, grandpa, grandsire, granny, graybeard, great-grandfather, has-been, husband, inamorato, lady-killer, longhair, love-maker, man, married man, matriarch, mid-Victorian, mossback, necker, nonagenarian, octogenarian, old believer, old chap, old codger, old crock, old dodo, old dog, old duffer, old fogy, old geezer, old gent, old gentleman, old liner, old party, old poop, old woman, old-timer, older, oldster, pa, pantaloon, pap, papa, pappy, pater, paterfamilias, patriarch, petter, philanderer, pop, pops, presbyter, reactionary, regular old fogy, relic, seducer, senior citizen, septuagenarian, sexagenarian, sheik, sire, square, squire, starets, stepfather, sugar daddy, swain, the old man, the quiet-voiced elders, traditionalist, venerable sir, veteran, young man