Tra từ prosperous - Từ điển Oxford Advanced Learner 8th

pros·per·ous BrE [ˈprɒspərəs] NAmE [ˈprɑːspərəs] adjective (formal)
rich and successful
Syn: ↑affluent
•prosperous countries
•Farmers are more prosperous in the south of the country.

Word Origin:
[prosperous] late Middle English: from Old French prospereus, from Latin prosperus ‘doing well’.

Synonyms:
rich
wealthy • prosperous • affluent • well off • comfortable
These words all describe sb/sth that has a lot of money, property or valuable possessions.
rich • (of a person) having a lot of money, property or valuable possessions; (of a country or city) producing a lot of wealth so that many of its people can live at a high standard
wealthy • rich
rich or wealthy?
There is no real difference in meaning between these two words. Both are very frequent, but rich is more frequent and can be used in some fixed phrases where wealthy cannot: He's stinking/filthy wealthy. ◇ It's a favourite resort for the wealthy and famous.
prosperous • (rather formal) rich and successful.
affluent • (rather formal) rich and with a good standard of living: ▪ affluent Western countries
prosperous or affluent?
Both prosperous and affluent are used to talk about people and places. Prosperous is used much more than affluent to talk about times and periods. Affluent is often used to contrast rich people or societies with poor ones. Being prosperous is nearly always seen as a good thing: ▪ It's good to see you looking so prosperous. ◇ It's good to see you looking so affluent.
well off • (often used in negative sentences) rich: ▪ His family is not very well off.
The opposite of well off is badly off, but this is not very frequent; it is more common to say that sb is not well off.
comfortable • having enough money to buy what you want without worrying about the cost: ▪ They're not millionaires, but they're certainly very comfortable.
a(n) rich/wealthy/prosperous/affluent/well-off family
a(n) rich/wealthy/prosperous/well-off man/woman
a(n) rich/wealthy/prosperous/affluent country/city

Example Bank:
•this once prosperous region
•He lives in the relatively prosperous city of New Delhi, in India.
•The 1960s were prosperous years for the company.
•These countries became prosperous through trade, not aid.