moving target

moving target (plural moving targets)

1. A goal that is constantly changing
   • 2019 May 16, Erik Adams, “A potent satire has its wings clipped in Catch-22”, in The A.V. Club‎:

     There’s palpable peril in the squadron’s ever-mounting bombing runs, and Cathcart’s moving target of a mission quota makes a clever parallel to contemporary America’s Forever War, but the flight sequences wind up acquiring a deadening repetitiousness

• “a moving target” in Longman Dictionary of Contemporary English, Longman.
• “moving target” in the Cambridge English Dictionary, Cambridge: Cambridge University Press.
• “moving target” (US) / “moving target” (UK) in Macmillan English Dictionary.