unmanageable

adj

1. Not manageable; not readily submitting to handling or management; not easily restrained, governed, or directed.

   “Meanwhile, the everyday landscape becomes more nightmarish and unmanageable each year.”

   “It is time the international community faced the reality: we have an unmanageable, unfair, distortionary global tax regime. It is a tax system that is pivotal in creating the increasing inequality that marks most advanced countries today […].”

   “It says the station's four ticket office windows were closed, with passengers directed to the five ticket machines, which "resulted in chaos". The TSSA reported: "Within four minutes the queues were unmanageable, and the ticket office was forced to reopen for customers, who were said to be unimpressed."”