'pileup' definitions:

Definition of 'pileup'

(from WordNet)

noun

Multiple collisions of vehicles

Synonyms of 'pileup'

From: Moby Thesaurus

accident,
blow,
calamity,
casualty,
cataclysm,
catastrophe,
collision,
contretemps,
crack-up,
crash,
disaster,
grief,
ill hap,
misadventure,
mischance,
misfortune,
mishap,
nasty blow,
shipwreck,
shock,
smash,
smashup,
staggering blow,
tragedy,
wreck

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