flatliners

/ˈflætlaɪnərz/
noun
  1. Plural of flatliner; multiple people who have died or whose hearts have stopped beating, especially those later revived.
    • The emergency room sees a few flatliners every month, but most are successfully revived.
    • The documentary interviewed several flatliners who described similar near-death experiences.
    • The support group was for flatliners and their families.
  2. Things or people that show no growth, activity, or change.
    • The list of flatliners included several old companies that hadn't innovated in decades.
    • The market report identified several flatliners among the tech stocks.
    • In the race, the flatliners were the runners who stayed at the back the whole time.