Dictionary
wild'-goose' chase"
Pronunciation: (wīld'gOOs'), [key]1. a wild or absurd search for something nonexistent or unobtainable:
a wild-goose chase looking for a building long demolished.
2. any senseless pursuit of an object or end; a hopeless enterprise:
Her scheme of being a movie star is a wild-goose chase. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.