We don't have synonyms for dry hole yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are spy hole, dry bone and dry rale.
(n) :
(engineering) 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.
(n) :
(figurative) Something that brings no success or profit; a dead loss.
(n) :
(engineering) 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.
(n) :
(figurative) Something that brings no success or profit; a dead loss.