減退|げんたいgentai[0]heiban (flat)
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Definitions
- noun, suru verb, intransitive verbdecline; ebb; failure; decay; decrease; loss
Conjugation
| Dictionary form | 減退する（げんたいする） |
|---|---|
| Polite (masu) | 減退します（げんたいします） |
| Negative (nai) | 減退しない（げんたいしない） |
| polite (masen) | 減退しません（げんたいしません） |
| classical zu / nu | 減退せず・減退せぬ（げんたいせず・げんたいせぬ） |
| Past (ta) | 減退した（げんたいした） |
| polite (mashita) | 減退しました（げんたいしました） |
| Past negative (nakatta) | 減退しなかった（げんたいしなかった） |
| polite (masen deshita) | 減退しませんでした（げんたいしませんでした） |
| Te form | 減退して（げんたいして） |
| Potential | 減退できる（げんたいできる） |
| Passive | 減退される（げんたいされる） |
| Causative | 減退させる（げんたいさせる） |
| Causative passive | 減退させられる（げんたいさせられる） |
| Conditional (ba) | 減退すれば（げんたいすれば） |
| tara | 減退したら（げんたいしたら） |
| Volitional | 減退しよう（げんたいしよう） |
| polite (mashou) | 減退しましょう（げんたいしましょう） |
| Imperative | 減退しろ（げんたいしろ） |
Common forms generated by rule; see the senses for honorific or irregular usage.
Synonyms & antonyms
- Synonym衰退すいたいWrittenWritten/formal prose. The large-scale decline of nations and industries, as in 「景気の衰退」; broader in scope than 減退, which speaks of appetite or strength.
- Synonym衰えおとろえNeutralNeutral. A noun for the fading of strength or ability, as in 「体力の衰え」; a native Japanese word, common in colloquial speech.
- Synonym減衰げんすいWrittenA physics term for attenuation, as in a fading signal; strongly technical and written in flavor.
- Synonym低落ていらくWrittenRather written/formal. A fall in value, price or reputation; speaks of market conditions and popularity.
- Synonym衰微すいびWrittenWritten/formal prose. Something once prosperous gradually fading — culture, family fortunes; 減退 typically speaks of physical strength or appetite.
- Related低下ていかNeutralNeutral. A drop in ability or quality, as in 「視力の低下」; broad in range and rather objective in tone.
- Related低減ていげんWrittenWritten/formal prose. Reduction or lowering, typically of costs or risks, as in 「コスト低減」.
- Related退潮たいちょうWrittenWritten/formal prose. Literally the ebb tide; figuratively the waning of power or fortunes. Not used of bodily functions.
- Related減殺げんさいWrittenWritten/formal prose. Actively diminishing an effect, as in 「効果を減殺する」; also a term of art in civil law.
- Related衰勢すいせいWrittenWritten/formal prose and fairly rare. The momentum of decline, a downhill slide; not said of appetite or physical strength.
- Related凋落ちょうらくWrittenWritten/formal prose. Flowers withering and falling, by extension a fall into ruin; strongly literary in flavor.
- Related退勢たいせいWrittenWritten/formal prose. The waning of power or influence, as in 「退勢挽回」; stresses a weakening situation, never bodily functions.
- Related減ずるげんずるWrittenWritten/formal prose. A verb for lessening or reducing, as in 「罪一等を減ずる」; 減退 is used as a noun.
- Related萎靡いびWrittenExtremely written. Listlessness and lost vigor; said chiefly of morale or the social climate.
- Related凋残ちょうざんWrittenExtremely literary. The withering and decay of flowers and plants; not used of physical strength.
- Related式微しきびWrittenWritten/formal prose with a classical air. Extreme decline; said of the fall of dynasties or families.
- Antonym増進ぞうしんWrittenAntonym, written/formal prose. Building up strength or appetite — the opposite of 減退, as in 「食欲増進」.
- Antonym向上こうじょうNeutralNeutral antonym. Improvement and progress; the opposite of 減退 as a waning or decline.
Use 「減退」 for the weakening of appetite, strength or memory, as in 「食欲減退」. For the decline of a nation or an industry say 「衰退」; for a drop in ability or quality, 「低下」. The antonym is 「増進」. Most of the rest are literary or technical: 「衰微」「凋落」「式微」 for grand or figurative decline, 「低減」「減殺」 for cutting amounts or effects, 「減衰」 in physics.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only
Japanese definitions
Kanji in this word
See also
