酷暑

こくしょ

intense heat

猛暑

もうしょ

heat wave, fierce heat

酷寒

こっかん

severe (intense) cold, depth of winter

寒暑

かんしょ

hot and cold, summer and winter

酷暑日

こくしょび

day on which the temperature rises above 35°C; extremely hot day

猛暑日

もうしょび

extremely hot day (i.e. 35 degrees Celsius or greater)

酷

こく コク

severe, harsh, stringent, rigorous, strict, unfair

猛

もう

greatly energetic

暑

しょ

heat

酷い

ひどい

cruel, heartless, hard, harsh, severe

残酷

ざんこく

cruelty, harshness

酷烈

こくれつ

severity

冷酷

れいこく

cruelty, coldheartedness, relentless, ruthless

惨酷

さんこく むごこく

atrocity, cruelty, brutality

酷評

こくひょう

severe criticism, damnation

酷使

こくし

exploitation, overuse, abuse

酷似

こくじ

resemblance, resemble

酷遇

こくぐう

maltreatment

酷く

ひどく

very much, terribly, badly, awfully, extremely