American Dictionary

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Definition pileup in American English

pileup noun

[countable] noun
/ˈpaɪlˌʌp/
1

an accident in which several vehicles crash into each other

Synonyms and related words
2

a situation in which there are a lot of things that need to be dealt with at the same time

Example

a massive pileup of data

Synonyms and related words
Definition pileup in American English