a pretty penny

a pretty penny

INFORMAL
A pretty penny is a large amount of money. By the time it is ready for drinking, the value of the wine will have risen sufficiently to earn the investor a pretty penny. Buying a home can cost a pretty penny.
See also: penny, pretty

a pretty penny

a large sum of money. informal
1989 Russell Banks Affliction You can probably get a pretty penny for that place in a year or two.
See also: penny, pretty

a pretty ˈpenny

(old-fashioned) a lot of money: Have you seen the neighbour’s new car? That must have cost a pretty penny.
See also: penny, pretty