山積|さんせきsanseki[0]heiban (flat)

Common
Definitions
  1. noun, suru verb, intransitive verbpiling up; accumulating; forming a (huge) pile; lying in piles
Conjugation
Dictionary form山積する(さんせきする)
Polite (masu)山積します(さんせきします)
Negative (nai)山積しない(さんせきしない)
polite (masen)山積しません(さんせきしません)
classical zu / nu山積せず・山積せぬ(さんせきせず・さんせきせぬ)
Past (ta)山積した(さんせきした)
polite (mashita)山積しました(さんせきしました)
Past negative (nakatta)山積しなかった(さんせきしなかった)
polite (masen deshita)山積しませんでした(さんせきしませんでした)
Te form山積して(さんせきして)
Potential山積できる(さんせきできる)
Passive山積される(さんせきされる)
Causative山積させる(さんせきさせる)
Causative passive山積させられる(さんせきさせられる)
Conditional (ba)山積すれば(さんせきすれば)
tara山積したら(さんせきしたら)
Volitional山積しよう(さんせきしよう)
polite (mashou)山積しましょう(さんせきしましょう)
Imperative山積しろ(さんせきしろ)

Common forms generated by rule; see the senses for honorific or irregular usage.

Synonyms & antonyms
  • Synonym山積みやまづみCasualColloquial native-Japanese word; means piling up in heaps, also problems piling up — synonymous with 「山積」 and more common in speech.
  • Synonym積もるつもるNeutralNative verb for snow piling up or things accumulating; can also mean to estimate.
  • Synonym積み重なるつみかさなるNeutralVerb for stacking up layer on layer; stresses things piling up one on top of another.
  • Synonym堆積たいせきWrittenWritten/formal word for piling up high, also for sediment of earth and sand; can cover abstract accumulation too.
  • RelatedたまるNeutralVerb for things building up or being stored away, as in 「ストレスが溜まる」; stresses accumulation rather than a visible pile.
  • Related集積しゅうせきNeutralGathering and piling up in one place, as in 「産業集積」; stresses things collecting at a single spot.
  • Related蓄積ちくせきNeutralStoring up, gradual accumulation, as in 「疲労の蓄積」; stresses building up little by little.
  • Related集まるあつまるNeutralVerb for people or things gathering or assembling; stresses coming together rather than piling up.
  • Related積もり積もるつもりつもるNeutralVerb meaning to pile up more and more, as in 「積もり積もった不満」; stresses accumulating day after day.
  • Antonym皆無かいむNeutralAntonym: none at all, completely absent — the opposite of piling up in heaps.
  • Antonym減少げんしょうNeutralAntonym: decrease or decline — the opposite of 「山積」, where problems keep growing in number.

Use 「山積」 for problems or work piling up, as in 「課題が山積している」; it leans written. In speech prefer 「山積み」. For gradual accumulation choose 「蓄積」, for things gathering in one place 「集積」. 「皆無」 is the antonym, meaning none at all.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

Japanese definitions
  1. 山やまのように高たかく積つもること。
  2. 問題もんだいなどが、たくさんたまること。
Kanji in this word

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