menu_book

Definition

To collect or accumulate, as a backlog.

chat_bubble_outline

In Context

  • "The requests piled up while she was away."
  • "The locomotive was the now inevitable American 2-8-0, No. 2623. There she stood, effectively blocking the level crossing, simmering gently, massively inert. It was almost dark, and one's final sight was of her high, firelit cab, the enginemen nonchalantly leaning out, waiting for the right-away, while impatient road convoys piled up on both sides of the crossing."
  • "There are the engines that develop ill-health and begin to lose time, or the wagons that develop hot boxes and have to be removed, initiating delays that steadily pile up—or at worst, the weather lays its hand on the whole District."
compare_arrows

Also Said As

  • head up
swap_horiz

Opposite In Meaning

  • unpile
  • unstack