浸透・滲透|しんとうshintou[0]heiban (flat)
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Which spelling to use
浸透浸透 is the most common written form, used for permeation or spread involving ideas, ideology, culture, or market penetration.
滲透滲透 is a rarely used kanji-only variant; you will seldom encounter it, so choose 浸透 instead when writing.
Definitions
- noun, suru verb, intransitive verbpermeation (of thought, ideology, culture, etc.); infiltration (e.g. of ideas); spread; penetration (e.g. into a market); pervasion
- noun, suru verb, intransitive verbpermeation (of a liquid, etc.); soaking; percolation
- noun, suru verb, intransitive verb, chemistry, biologyosmosis
Conjugation
| Dictionary form | 浸透する（しんとうする） |
|---|---|
| Polite (masu) | 浸透します（しんとうします） |
| Negative (nai) | 浸透しない（しんとうしない） |
| polite (masen) | 浸透しません（しんとうしません） |
| classical zu / nu | 浸透せず・浸透せぬ（しんとうせず・しんとうせぬ） |
| Past (ta) | 浸透した（しんとうした） |
| polite (mashita) | 浸透しました（しんとうしました） |
| Past negative (nakatta) | 浸透しなかった（しんとうしなかった） |
| polite (masen deshita) | 浸透しませんでした（しんとうしませんでした） |
| Te form | 浸透して（しんとうして） |
| Potential | 浸透できる（しんとうできる） |
| Passive | 浸透される（しんとうされる） |
| Causative | 浸透させる（しんとうさせる） |
| Causative passive | 浸透させられる（しんとうさせられる） |
| Conditional (ba) | 浸透すれば（しんとうすれば） |
| tara | 浸透したら（しんとうしたら） |
| Volitional | 浸透しよう（しんとうしよう） |
| polite (mashou) | 浸透しましょう（しんとうしましょう） |
| Imperative | 浸透しろ（しんとうしろ） |
Common forms generated by rule; see the senses for honorific or irregular usage.
Synonyms & antonyms
- Related拡散かくさんNeutralFor contrast: 「拡散」 is about scattering outward in all directions, 「浸透」 about seeping deep in; not strict opposites.
- Related普及ふきゅうNeutralNeutral. For products or ideas spreading widely, as in 「スマホの普及」; 「浸透」 is about thoughts or liquids slowly seeping in deep.
- Related波及はきゅうWrittenWritten/formal prose. Influence or effects gradually rippling outward; 「浸透」 stresses deep penetration.
- Related流布るふWrittenWritten/formal prose. Rumours or texts circulating among the public; 「浸透」 is about ideas taking root in people's minds.
- Related伝播でんぱWrittenWritten/formal prose. Culture or signals being transmitted over distance; 「浸透」 suggests slow seeping into the depths.
- Related行き渡るいきわたるNeutralNeutral. Simply reaching every place or person, as in 「全員に行き渡る」; 「浸透」 stresses seeping deep inside.
- Related広まるひろまるNeutralNeutral verb for something getting around or spreading; 「浸透」 stresses deep, gradual penetration.
- Related蔓延まんえんWrittenWritten/formal prose. Diseases or bad habits spreading unchecked, with a negative tone; 「浸透」 is neutral.
- Related広がるひろがるCasualColloquial. Expanding or spreading out in area or range; 「浸透」 stresses seeping deep inside.
- Related染み込むしみこむCasualColloquial. A liquid soaking in, or something sinking deep into one's mind; 「浸透」 is the more written word.
- Related伝わるつたわるNeutralNeutral verb for news or feelings being conveyed or handed down; 「浸透」 stresses deep, gradual penetration.
- Related染み渡るしみわたるCasualColloquial. A liquid or a moving emotion soaking through the whole body; 「浸透」 is the more written word.
- Related浸潤しんじゅんWrittenWritten/formal prose. Medical infiltration of tissue, or the gradual spread of ideology; 「浸透」 is the more common word.
- Related浸入しんにゅうWrittenWritten/formal prose. Water getting into a building or the like; 「浸透」 stresses seeping into the inside of an object.
Use 「浸透」 for thoughts or liquids slowly seeping deep inside, as in 「理念が浸透する」. For products spreading widely pick 「普及」, for influence rippling outward 「波及」, for outward diffusion like online sharing 「拡散」, and for a liquid soaking in 「染み込む」. The rest are mostly spread verbs (「広まる」「広がる」「伝わる」「行き渡る」) or written/formal terms (「流布」「伝播」「蔓延」「浸潤」「浸入」); 「染み渡る」 is colloquial.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only
Japanese definitions
Kanji in this word
English equivalents
See also
