a wild or absurd search for something nonexistent or unobtainable: a wild-goose chase looking for a building long demolished.
any senseless pursuit of an object or end; a hopeless enterprise: Her scheme of being a movie star is a wild-goose chase.
Origin of wild-goose chase
First recorded in 1585–95
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
an absurd or hopeless pursuit, as of something unattainable
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012