Rich, with a lot of money or spending power. Well-heeled.
For example: Many parts of Europe are very affluent.
Affluent is an adjective that means rich, well off or wealthy. In the West a person who is affluent will live in a big house that is located in a good district. They will have frequent foreign holidays, they will drive a large car and will often eat in restaurants. It is said that in the West we live in an affluent society. This means we have all our basic needs covered and money left over to spend on ourselves, however this has made us lazy. When people are affluent there are jobs they will not do and there are salary levels belo which they will not work, This in turn leads to immigration.
For example: The Martins live in a very affluent neighbourhood.
You can see he is affluent by the way he dresses.
Affluence is the associated uncountable noun. However it has two meanings.
1. The state of being wealthy.
2. A large quantity or abundance of something or a high density.
For example: On Saturdays there is an affluence of people in the High Street.
You might even say an affluence of affluent people. (many rich people)
There is an affluence of vehicles in the city during the rush hour.