火災(かさい)

かさい
noun
fire, conflagration
formal
1. fire, fire disaster, conflagration
A destructive fire; a fire that causes damage to buildings or property.
火災(かさい)が発生(はっせい)した。
A fire broke out.
火災(かさい)報知器(ほうちき)が鳴(な)った。
The fire alarm went off.
火災(かさい)保険(ほけん)に入(はい)っていますか。
Do you have fire insurance?

火災(かさい) means fire or fire disaster, typically referring to destructive fires.

Common patterns

Compounds

DIFFERENCE FROM 火事(かじ):

  • 火事(かじ): more casual, everyday word for fire
  • 火災(かさい): more formal, often used in official/news contexts

Related words

Related Words

Synonym: 火事(かじ) (fire (casual))
Related: 消防(しょうぼう) (fire fighting)
Related: 消火(しょうか) (fire extinguishing)
Compare: 火元(ひもと) (origin of a fire)
Compare: 出火(しゅっか) (outbreak of fire)
Compare: 失火(しっか) (accidental fire)
Compare: 猛火(もうか) (raging fire)
Compare: 発火(はっか) (ignition)
Related: 放火犯(ほうかはん) (arsonist)
general
Added 2026.1.11 18:51 · Revised 2026.9.2 13:01
02500/02561_kasai