Definition of "pile-up" [pile-up]

• (colloquial) A traffic accident or collision involving multiple vehicles. (noun)

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• "The Carnivores lose 85-0 in what can be described as a pile-up."
• "Insufficient monitoring and shoddy credit-risk analysis invariably follows, as the pile-up of bad loans after the bursting of Japan's bubble in the 1990s showed."
• "Constellation has been shipping products to wholesalers at a rate faster than wholesalers can sell it to retailers, leading to a pile-up in inventory."