Colloquially, there are two definitions that I like:

A wealthy person is a person who has more than they need. (Not necessarily more than they want, but more than they need.)

A person of true wealth knows and appriciates they have enough. (Few people reach this point, even billionaires.)

Is a very wealthy man who chooses to stay single a smart man?

How much money should you have to be called a millionaire?

On a scale of wealthy, 1 being kinda wealthy, 10 being extremely wealthy, how wealthy would you want to be?

Is a very wealthy man who chooses to stay single a smart man?

How much money should you have to be called a millionaire?