投棄|とうきtouki[1]atamadaka (head-high)
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Definitions
- noun, suru verb, transitive verbabandonment; giving up; throwing away; disposal; dumping
Conjugation
| Dictionary form | 投棄する（とうきする） |
|---|---|
| Polite (masu) | 投棄します（とうきします） |
| Negative (nai) | 投棄しない（とうきしない） |
| polite (masen) | 投棄しません（とうきしません） |
| classical zu / nu | 投棄せず・投棄せぬ（とうきせず・とうきせぬ） |
| Past (ta) | 投棄した（とうきした） |
| polite (mashita) | 投棄しました（とうきしました） |
| Past negative (nakatta) | 投棄しなかった（とうきしなかった） |
| polite (masen deshita) | 投棄しませんでした（とうきしませんでした） |
| Te form | 投棄して（とうきして） |
| Potential | 投棄できる（とうきできる） |
| Passive | 投棄される（とうきされる） |
| Causative | 投棄させる（とうきさせる） |
| Causative passive | 投棄させられる（とうきさせられる） |
| Conditional (ba) | 投棄すれば（とうきすれば） |
| tara | 投棄したら（とうきしたら） |
| Volitional | 投棄しよう（とうきしよう） |
| polite (mashou) | 投棄しましょう（とうきしましょう） |
| Imperative | 投棄しろ（とうきしろ） |
Common forms generated by rule; see the senses for honorific or irregular usage.
Synonyms & antonyms
- Synonym投げ捨てるなげすてるNeutralTo throw away with a tossing motion — a strong sense of physical action. 「投棄」 leans written, used mainly for discarding garbage and waste.
- Synonym捨てるすてるNeutralThe everyday default for throwing things away, with no limit on objects; also abandoning people or giving up hope. 「投棄」 is written, for things only.
- SynonymうっちゃるCasualColloquial: to throw something out or leave it unattended. 「投棄」 is written/formal, typically for illegal dumping as in 「不法投棄」.
- Synonym放り出すほうりだすNeutralTo fling something out or drop it and walk away — a casual, rough motion. 「投棄」 is written, for discarding garbage, waste, cargo and the like.
- Synonym打ち捨てるうちすてるWrittenWritten/formal: to abandon and leave behind; can apply to people or matters. 「投棄」 is mostly for discarding garbage and other items.
- Synonymかなぐり捨てるかなぐりすてるNeutralTo tear off and fling away; figuratively, to cast aside pride or face without hesitation. 「投棄」 is written, for discarding garbage, waste and other items.
- SynonymほかすCasualKansai dialect for throwing something away; everyday speech. 「投棄」 is written, found in news reports and legislation.
- SynonymほっぽるCasualColloquial: to fling away or leave something unattended. 「投棄」 is written, for discarding items.
- Related取り捨てるとりすてるWrittenWritten/formal: to pick out unwanted things and throw them away; very rare. In daily speech say 「捨てる」.
- Related一擲いってきWrittenWritten/formal: casting away in a single throw, met mostly in 「乾坤一擲」, staking everything on one move. Used differently from 「投棄」, which is about dumping waste.
- RelatedうっちゃらかすCasualColloquial: to leave a task half-done and abandon it. 「投棄」 means discarding objects, not giving up halfway.
- Related放下ほうかWrittenRead 「ほうか」, it means throwing away, rare even in writing; the Zen sense of letting go of attachments is read 「ほうげ」. For everyday discarding say 「捨てる」.
- Antonym回収かいしゅうNeutralCollection or retrieval, as in 「ごみの回収」; the opposite of 「投棄」, which is throwing things away.
- Antonym収集しゅうしゅうNeutralCollecting or gathering, including garbage pickup as in 「ごみの収集」; the opposite of 「投棄」, discarding at will.
Use 「投棄」 as the written/formal word for discarding or dumping waste, as in 「不法投棄」. In everyday speech throw things away with 「捨てる」, toss them out with 「投げ捨てる」, and use 「回収」 for collection. The remaining words are colloquial or literary variants with their own nuances.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only
Japanese definitions
Kanji in this word
English equivalents
