積み重ねる
つみかさねる
verb (ichidan)
to pile up, to accumulate
See also:
積み重なる (intransitive)
Conjugation
| Affirmative | Negative | |
|---|---|---|
| Present | 積み重ねる | 積み重ねない |
| Present polite | 積み重ねます | 積み重ねません |
| Past | 積み重ねた | 積み重ねなかった |
| Past polite | 積み重ねました | 積み重ねませんでした |
| て form | 積み重ねて | 積み重ねなくて |
| ている present | 積み重ねている | 積み重ねていない |
| ている polite | 積み重ねています | 積み重ねていません |
| ている past | 積み重ねていた | 積み重ねていなかった |
| ている past polite | 積み重ねていました | 積み重ねていませんでした |
| Conditional ば | 積み重ねれば | 積み重ねなければ |
| Conditional たら | 積み重ねたら | 積み重ねなかったら |
| Volitional | 積み重ねよう | — |
| Volitional polite | 積み重ねましょう | — |
| Potential | 積み重ねられる | 積み重ねられない |
| Passive | 積み重ねられる | 積み重ねられない |
| Causative | 積み重ねさせる | 積み重ねさせない |
| Imperative | 積み重ねろ | 積み重ねるな |
1.
to pile up, to stack
To physically place objects on top of each other in layers.
本を積み重ねた。
I stacked the books.
段ボール箱を積み重ねて収納した。
I stacked the cardboard boxes for storage.
レンガを丁寧に積み重ねて壁を作った。
I carefully stacked the bricks to build a wall.
2.
to accumulate, to build up
To gradually gather or amass things over time, especially abstract things like experience, effort, or achievements.
経験を積み重ねることが大切だ。
It's important to accumulate experience.
長年の努力を積み重ねて、やっと成功した。
After accumulating years of effort, I finally succeeded.
小さな実績を積み重ねることで、周囲の信頼を得た。
By building up small achievements, I earned the trust of those around me.
USAGE: 積み重ねる is a compound verb combining 積む (to pile) and 重ねる (to stack, to repeat). The figurative use (sense 2) is more common than the literal use.
TRANSITIVITY: Transitive (他動詞). Takes を for the object being accumulated.
ASPECT: 積み重ねている indicates ongoing accumulation or a state of having accumulated over time.
COMMON COLLOCATIONS:
- 努力を積み重ねる (to accumulate effort)
- 経験を積み重ねる (to build up experience)
- 実績を積み重ねる (to build up achievements)
- 練習を積み重ねる (to accumulate practice)
RELATED: The intransitive form 積み重なる means "to pile up" or "to accumulate" naturally without an agent.