Meaning of dry hole | Babel Free

Definitions

1. A hole drilled into the ground for oil or gas exploration which fails to yield enough oil or gas to justify the establishment of a well.
2. Something that brings no success or profit; a dead loss.
   figuratively

Examples

“Ultrasound as a treatment for degenerative arthritis was in its infancy. It might eventually turn⟳ out to be as effective as the Salk vaccine, or as bogus as the science of phrenology. Either way, it didn't make⟳ sense⟳ right now. The chances were a thousand to one that it was a dry hole.”

CEFR level