高熱|こうねつkounetsu[0]heiban (flat)

1. nounhigh fever
   私は高熱こうねつがあった。さもなければキャンプに行いくことができただろう。↗

   I had a high fever; otherwise I could have gone camping.
2. nounintense heat

• Synonym高温こうおんNeutralCovers high temperatures of the air or objects; it is not used for fevers — for a high fever say 「高熱」.
• Related熱気ねっきNeutralRefers to a feeling of feverish heat in the body, as in 「熱気がある」; 「高熱」 is a very high body temperature, as in 「高熱が出る」.
• Antonym微熱びねつNeutralA slight fever, only a little above normal; it stands opposite to 「高熱」, a high fever.
• Antonym平熱へいねつNeutralThe normal body temperature when healthy; it stands opposite to 「高熱」, a high fever.

Use 「高熱」 for a very high fever or intense heat, as in 「高熱が出る」 and 「高熱処理」. For high air or object temperatures use 「高温」; the opposites are 「平熱」 (normal temperature) and 「微熱」 (slight fever).

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

1. 高たかい温度おんど。高温こうおん。
2. 高たかい体温たいおん。