火事|かじkaji[1]atamadaka (head-high)

1. nounfire; conflagration
   火事かじの際さいは１１９番ばんに電話でんわしてください。↗

   In the case of fire, dial 119.

• Synonym火災かさいWrittenWritten/formal prose for a fire, as in 「火災報知器」 and 「火災保険」; more formal than 「火事」, the everyday word.
• Related火難かなんWrittenWritten/formal prose for fire as a misfortune rather than the event itself; seen in 「火難除け」, often found on protective charms.
• Related回禄FormalFormal written word for a fire, originally the name of a fire god; seen in 「回禄の災い」 but almost never in modern usage.
• Antonym鎮火ちんかWrittenWritten/formal prose antonym: the fire being put out or dying out, as in 「火事が鎮火する」.
• Antonym消火しょうかNeutralNeutral antonym: putting out a fire, as in 「消火器」 and 「消火活動」.

「火事」 is the default word for a fire; 「火災」 is the formal/written choice, 「火難」 appears on protective charms, and 「回禄」 is an archaic formal term. For putting out a fire, use 「消火」 or 「鎮火」.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 建物たてものや山林さんりんなどが燃もえ、容易よういに鎮火ちんかができない災害さいがい。