senior citizen

Từ điển WordNet v3.1 - WordNet Dictionary

noun

an elderly person
• Syn:
oldster, old person, golden ager
• Hypernyms:
adult, grownup
• Hyponyms:
ancient, antediluvian, centenarian, curmudgeon, dodderer,
dodo, fogy, fogey, fossil, dotard, has-been,
back-number, nonagenarian, octogenarian, old boy, old man, greybeard,
graybeard, Methuselah, old woman, septuagenarian, sexagenarian