火|ひhi[1]atamadaka (head-high)

1. nounfire; flame; blaze
   いすをもっと火ひの近ちかくに寄よせなさい。↗

   Draw your chair closer to the fire.

• Synonym炎ほのおNeutralThe flame you see when something burns, also used figuratively for fierce emotion, as in 「怒りの炎」. 「火」 is broader, covering fire as a heat source or ember too.
• Synonym火炎かえんWrittenWritten/formal word for a flame, mostly in descriptive or technical contexts, as in 「火炎放射器」.
• Related火災かさいWrittenA fire as a destructive event; written/formal prose, typical of news reports and insurance, as in 「火災保険」 and 「火災報知器」.
• Related火事かじNeutralA fire that breaks out in a house or forest; the everyday spoken word, as in the shout 「火事だ！」.
• Related燃焼ねんしょうWrittenBurning as a chemical process; also figuratively for giving something your all, as in 「完全燃焼」.
• Related火難かなんWrittenA disaster brought by fire; mostly in set phrases like 「火難除け」.
• Antonym水みずNeutralThe opposite of 「火」; the two are often paired as 「水と火」.

Default to 「火」 for fire itself. Use 「炎」 for flames, 「火事」 for a fire in everyday speech, 「火災」 in reports and insurance, 「燃焼」 for combustion, and 「水」 as its opposite.

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

1. ひ。物ものが燃もえるときに出でる炎ほのおや熱ねつ。
2. 燃もえる。焼やく。
3. 明あかり。灯し火ともしび。
4. 激はげしい。