沸騰|ふっとうfuttou[0]heiban (flat)
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- noun, suru verb, intransitive verbboiling; seething
- noun, suru verb, intransitive verbbecoming heated (e.g. of a debate); excitement; agitation; fermentation
- noun, suru verb, intransitive verbsoaring (of prices); shooting up
Conjugation
| Dictionary form | 沸騰する(ふっとうする) |
|---|---|
| Polite (masu) | 沸騰します(ふっとうします) |
| Negative (nai) | 沸騰しない(ふっとうしない) |
| polite (masen) | 沸騰しません(ふっとうしません) |
| classical zu / nu | 沸騰せず・沸騰せぬ(ふっとうせず・ふっとうせぬ) |
| Past (ta) | 沸騰した(ふっとうした) |
| polite (mashita) | 沸騰しました(ふっとうしました) |
| Past negative (nakatta) | 沸騰しなかった(ふっとうしなかった) |
| polite (masen deshita) | 沸騰しませんでした(ふっとうしませんでした) |
| Te form | 沸騰して(ふっとうして) |
| Potential | 沸騰できる(ふっとうできる) |
| Passive | 沸騰される(ふっとうされる) |
| Causative | 沸騰させる(ふっとうさせる) |
| Causative passive | 沸騰させられる(ふっとうさせられる) |
| Conditional (ba) | 沸騰すれば(ふっとうすれば) |
| tara | 沸騰したら(ふっとうしたら) |
| Volitional | 沸騰しよう(ふっとうしよう) |
| polite (mashou) | 沸騰しましょう(ふっとうしましょう) |
| Imperative | 沸騰しろ(ふっとうしろ) |
Common forms generated by rule; see the senses for honorific or irregular usage.
- Synonym沸くわくNeutralEveryday intransitive verb: water comes to a boil, or a hall erupts in excitement; 「沸騰」 is the Sino-Japanese term, also used figuratively.
- Related煮立つにたつNeutralBoiling, mainly in cooking; 「沸騰」 is about the physical phenomenon.
- Related煮えるにえるNeutralFood being boiled until cooked through; 「沸騰」 is about the liquid itself boiling.
- Related沸かすわかすNeutralTransitive: to boil water or heat a bath, also to get a crowd fired up; 「沸騰」 is a noun.
- Related煮沸しゃふつWrittenWritten/formal: heating water etc. to a boil, often to sterilize; 「沸騰」 is about a liquid reaching its boiling point, also public opinion boiling over.
- Related煮えくり返るにえくりかえるNeutralMostly figurative: seething with rage; 「沸騰」 stays objective, covering the physical process or public opinion.
- Related煮えたぎるにえたぎるNeutralA vigorous rolling boil with an intense feel; 「沸騰」 is the plainer, objective description.
- Related煮え立つにえたつNeutralComing to a boil, also figurative for flying into a rage; 「沸騰」 covers the physical process and public opinion.
- RelatedたぎるWrittenLiterary: water seething and rushing, or blood boiling with passion; 「沸騰」 is the more objective term.
- Related煮え返るにえかえるNeutralBoiling and rolling over, also figurative for seething anger; 「沸騰」 is the more objective term.
- Related煮立てるにたてるNeutralTransitive: to boil or simmer something, mainly in cooking; 「沸騰」 names the phenomenon itself.
- Related湯煮ゆにWrittenWritten word for boiling in hot water, rarely used; 「沸騰」 centers on reaching the boiling point.
- RelatedたぎらすWrittenTransitive and literary: to bring a liquid to a boil; 「沸騰」 is a noun.
- Antonym凝固ぎょうこNeutralAntonym: solidification — a liquid turning solid, the opposite of 「沸騰」 as the boiling of a liquid.
- Antonym凍結とうけつNeutralAntonym: freezing, the opposite of 「沸騰」; also used for freezing assets.
Use 「沸騰」 for a liquid reaching its boiling point or for opinion and popularity surging, as in 「お湯が沸騰する」「人気沸騰」「議論が沸騰する」. To bring water to a boil say 「沸かす」; the water itself 「沸く」. Heating to a boil, often to sterilize, is 「煮沸」; boiling blood is 「滾る」; the opposite is 「凝固」.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only


