JMdict: 1287370

酷暑 【こくしょ】

  1. [n] intense heat; severe heat
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Kanji in this word:

Kanji Meanings On Readings Kun Readings Grade
酷 Cruel, Severe, Atrocious, Unjust コク ひど.い
暑 Sultry, Hot, Summer Heat ショ あつ.い 3