増大|ぞうだいzoudai[0]heiban (flat)
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- noun, suru verb, transitive verb, intransitive verbenlargement; increase
Conjugation
| Dictionary form | 増大する(ぞうだいする) |
|---|---|
| Polite (masu) | 増大します(ぞうだいします) |
| Negative (nai) | 増大しない(ぞうだいしない) |
| polite (masen) | 増大しません(ぞうだいしません) |
| classical zu / nu | 増大せず・増大せぬ(ぞうだいせず・ぞうだいせぬ) |
| Past (ta) | 増大した(ぞうだいした) |
| polite (mashita) | 増大しました(ぞうだいしました) |
| Past negative (nakatta) | 増大しなかった(ぞうだいしなかった) |
| polite (masen deshita) | 増大しませんでした(ぞうだいしませんでした) |
| Te form | 増大して(ぞうだいして) |
| Potential | 増大できる(ぞうだいできる) |
| Passive | 増大される(ぞうだいされる) |
| Causative | 増大させる(ぞうだいさせる) |
| Causative passive | 増大させられる(ぞうだいさせられる) |
| Conditional (ba) | 増大すれば(ぞうだいすれば) |
| tara | 増大したら(ぞうだいしたら) |
| Volitional | 増大しよう(ぞうだいしよう) |
| polite (mashou) | 増大しましょう(ぞうだいしましょう) |
| Imperative | 増大しろ(ぞうだいしろ) |
Common forms generated by rule; see the senses for honorific or irregular usage.
- Synonym増加ぞうかNeutralAn increase in quantity (「人口増加」), focused on numbers growing; 「増大」 is about scale or degree getting larger.
- Synonym伸長しんちょうWrittenWritten/formal prose for length or influence stretching, also growth in results (「売上の伸長」); 「増大」 centers on scale or degree.
- Synonym増やすふやすNeutralTransitive verb for increasing something (「人数を増やす」); common in speech.
- Synonym増すますNeutralTo increase or intensify (「危険が増す」); leans written, and works both transitively and intransitively.
- SynonymのびNeutralNoun for growth or improvement (「売上の伸び」「成績の伸び」).
- Synonym膨張ぼうちょうNeutralSwelling or expansion (「熱膨張」「予算が膨張する」), focused on volume growing.
- SynonymましNeutralIncrease, often as a suffix (「三割増し」); also means preferable (「ましな方」).
- Synonym拡張かくちょうNeutralExtending range or function (「道路拡張」), focused on widening and enlarging.
- Synonym増進ぞうしんNeutralPromoting or building up strength, appetite, health, etc. (「食欲増進」「健康増進」).
- Synonym増えるふえるNeutralIntransitive verb for numbers or amounts growing (「体重が増える」); the most common word in everyday speech.
- Synonym拡大かくだいNeutralExpanding scale or scope (「被害が拡大する」); the most generally applicable word here.
- Synonym増強ぞうきょうNeutralReinforcing staff or equipment (「戦力増強」), focused on strengthening capability.
- Synonym増量ぞうりょうNeutralAn increase in amount (「お得な増量パック」), used mostly for product quantity.
- Synonym加増かぞうWrittenWritten/formal prose: an increase in stipend or territory, mostly in historical contexts.
- Synonym増ぞうWrittenWritten/formal prose for increase, mostly as a prefix or suffix (「前年比増」).
- Related増殖ぞうしょくNeutralProliferation or multiplication (「細胞の増殖」), used mostly for organisms and viruses.
- Related加えるくわえるNeutralTo add something to what is there (「塩を加える」), focused on adding from outside.
- Related上昇じょうしょうNeutralRising (「気温上昇」), focused on figures or levels moving upward.
- Related追加ついかNeutralAdding something afterwards (「注文を追加する」), focused on supplementing later.
- Related広がりひろがりNeutralNoun for the extent something spreads over (「話の広がり」), focused on spreading out.
- Related累加るいかWrittenWritten/formal prose: adding the same amount step by step, mostly in mathematics; rare.
- Antonym減少げんしょうNeutralA decrease; the direct opposite of 「増大」.
- Antonym縮小しゅくしょうNeutralShrinking; the opposite of the growth in size 「増大」 describes.
Use 「増大」 when scale or degree grows, as in 「負担が増大する」. For sheer numbers pick 「増加」 or 「増える」; for scope, 「拡大」; for rising figures, 「上昇」; for cells or viruses, 「増殖」. The opposites are 「減少」 and 「縮小」.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only


