増大|ぞうだいzoudai[0]heiban (flat)

JLPT N2approx.Common
Definitions
  1. noun, suru verb, transitive verb, intransitive verbenlargement; increase
    貿易ぼうえきが国富こくふを増大ぞうだいさせた。↗
    Trade increased the country's wealth.
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.

Synonyms & antonyms
  • 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

Japanese definitions
  1. 増ふえて大おおきくなること。増ふやして大おおきくすること。
Kanji in this word
English equivalents
See also

JLPT vocabulary levels are community estimates, not official (no official lists have been published since the 2010 revision).

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