From Longman Dictionary of Contemporary Englisha moving targeta moving targetsomething that is changing continuously, so that it is very difficult to criticize it or compete against it The company is constantly improving the system, making it a moving target. → moving
Examples from the Corpus
a moving target• As always, this is a moving target.• At its best, Gramm-Rudman-Hollings is a game of how to master a moving target.• Nobody hits a moving target and you can quote me.• Duration is a moving target as rates and portfolios change, though it is already used by many managers.• Only the top half of her body was visible, and she resembled a moving target on a shooting gallery. 