Definition of pound-foolish in US English:

pound-foolish

adjective

  • Foolish in dealing with large sums of money, especially while taking care over small ones. Frequently in "penny-wise (and) pound-foolish".

Origin

Late 16th century; earliest use found in Francis Meres (?1566–1647), writer and translator. From pound + foolish.

Pronunciation

pound-foolish

/ˌpaʊn(d)ˈfuːlɪʃ/