Last Updated:2025/11/21
(transitive) To form a pile, stack, or heap. / (idiomatic, intransitive) To collect or accumulate, as a backlog.
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pile up
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Source Word
pile up
Verb
transitive
idiomatic
intransitive
Japanese Meaning
(他動詞)山積にする、積み上げる、積み重ねる / (自動詞・慣用表現)積もる、たまる、蓄積する
Sense(2)
( present singular third-person )
( participle present )
( participle past )
( past )