蒸発|じょうはつjouhatsu[0]heiban (flat)
This browser can't play pronunciations (needs Safari 18.4 or later, or Chrome / Edge / Firefox).
- noun, suru verb, intransitive verbevaporation
- noun, suru verb, intransitive verbdisappearance (of a person); vanishing without a trace
Conjugation
| Dictionary form | 蒸発する(じょうはつする) |
|---|---|
| Polite (masu) | 蒸発します(じょうはつします) |
| Negative (nai) | 蒸発しない(じょうはつしない) |
| polite (masen) | 蒸発しません(じょうはつしません) |
| classical zu / nu | 蒸発せず・蒸発せぬ(じょうはつせず・じょうはつせぬ) |
| Past (ta) | 蒸発した(じょうはつした) |
| polite (mashita) | 蒸発しました(じょうはつしました) |
| Past negative (nakatta) | 蒸発しなかった(じょうはつしなかった) |
| polite (masen deshita) | 蒸発しませんでした(じょうはつしませんでした) |
| Te form | 蒸発して(じょうはつして) |
| Potential | 蒸発できる(じょうはつできる) |
| Passive | 蒸発される(じょうはつされる) |
| Causative | 蒸発させる(じょうはつさせる) |
| Causative passive | 蒸発させられる(じょうはつさせられる) |
| Conditional (ba) | 蒸発すれば(じょうはつすれば) |
| tara | 蒸発したら(じょうはつしたら) |
| Volitional | 蒸発しよう(じょうはつしよう) |
| polite (mashou) | 蒸発しましょう(じょうはつしましょう) |
| Imperative | 蒸発しろ(じょうはつしろ) |
Common forms generated by rule; see the senses for honorific or irregular usage.
- Synonym気化きかWrittenA written-style noun for a liquid turning into gas — the physics/chemistry term. Unlike 「蒸発」, it is never used for a person disappearing.
- Synonym失跡しっせきWrittenA written noun for someone's whereabouts becoming unknown or absconding; in daily speech 「失踪」 or 「行方不明」 is used.
- Synonym失踪しっそうNeutralA noun for a person going missing, whereabouts unknown — the formal term; 「蒸発」 is the colloquial equivalent.
- Related消えるきえるNeutralNeutral and by far the broadest of these words: anything disappearing, going out or fading, e.g. 「火が消える」.
- RelatedなくなるNeutralNeutral verb for things being lost or used up; the point is that something is no longer there. Very common in speech.
- Related失せるうせるNeutralNeutral verb for vanishing, but also used rudely to order someone off, as in 「とっとと失せろ」.
- Related掻き消えるかききえるNeutralVanishing all at once without a trace; a word with a literary flavour.
- Antonym凝縮ぎょうしゅくWrittenA written noun for gas condensing into liquid, or for condensing and concentrating something; the opposite of 「蒸発」.
- Antonym結露けつろNeutralA noun for water vapour condensing into droplets on a surface — the reverse of 「蒸発」.
Use 「蒸発」 for a liquid turning into vapour or for a person vanishing without a trace. For the physics sense prefer 「気化」; to report someone missing formally use 「失踪」; for disappearing in general use 「消える」; for the reverse process use 「凝縮」 or 「結露」.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only


