oldster

n (infml joc 口, 谑) old person 老人.

Old Glory, Old Harry (also Old Nick, Old Scratch), old lady, old lag, old maid, old man, old man's beard, old master, old school, old stager, old sweat, old woman, old-fashioned, old-maidish, old-time, old-timer, old-world, olden, oldie, oldish, oleaginous, oleander, olfaction, olfactory, oligarch, oligarchy, olive, olive oil, olive-branch, Olympiad, Olympian, Olympic, Olympic Games, Olympics, OM, ombudsman, omega, omelet, omelette (also omelet), omen,