Meanings
From pretty (“(dated) moderately large, considerable”) + penny (“money in general”).
How to pronounce "pretty penny":
AU
Chiefly preceded by a: a considerable amount of money; a high income or price.
Example: "They could charge a pretty penny as they had a captive audience."
Example Sentences
1
I had to pay a pretty penny for that designer handbag.
2
He spent a pretty penny on his new car.
3
She bought a painting at the auction for a pretty penny.
4
They sold their house and made a pretty penny in profit.
5
The hotel room costs a pretty penny during peak season.