English Explanatory Dictionary

pile up

English dictionary entry

Meanings

verb
  1. To form a pile, stack, or heap.
  2. To collect or accumulate, as a backlog.
  3. To sustain a motor vehicle accident; to crash.

Pronunciation

En-au-pile up.ogg

Word forms

pile up piles up piling up piled up

Synonyms

accumulate agglomerate amass build up cumulate heap heap up mound pile pile up rack up stack stack up upheap head up

Antonyms

unpile unstack

Related words

backlog back up backup

Derived words

pile-up pileup
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