having a lot of money, possessions, etc.
a wealthy nation
The couple are said to be fabulously wealthy.
They live in a wealthy suburb of Chicago.
people who are rich
These words all describe sb/sth that has a lot of money, property or valuable possessions.
(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
rich or wealthy?
There is no real difference in meaning between these two words. Both are very frequent, but rich is more frequent and occurs in some fixed phrases where wealthy cannot.
( rather formal ) rich and successful
( 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.
(often used in negative sentences) rich
His family is not very well off.
well off的反义词为badly off，但不常用；指人不宽裕较常用not 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 .
having enough money to buy what you want without worrying about the cost
They're not millionaires, but they're certainly very comfortable.