クールkuuru

1. na-adjectivecool (temperature, color, etc.)
   カラー・キー・プログラム・システムでは全すべての色いろが「クールパレット」と「ウォームパレット」の２つに分わけられる。↗

   With the colour key program system, all colours are divided into two palettes, the "cool palette" and the "warm palette".
2. na-adjectivecool (i.e. calm and collected); cool-headed; cold-hearted
   彼女かのじょのクールな視線しせんに、俺おれはドキッとした。↗

   Her cool gaze made my heart skip a beat.
3. na-adjectivecool (i.e. fashionable or stylish)
   彼かれってクールだから、私わたしたちみんな彼かれにはカリスマ性せいがあると思おもっている。↗

   He's so cool that we all think he's charismatic.

• Synonym冷たいつめたいNeutralMeans physically cold or an unfriendly attitude; 「クール」 leans toward pleasantly cool, calm, and can also mean stylish.
• Synonym涼しいすずしいNeutralThe everyday word for pleasantly cool weather, as in 「涼しい風」; 「クール」 adds the senses of calm and stylish.
• Synonym清涼せいりょうWrittenWritten word for cool freshness, as in 「清涼飲料」 or 「清涼感」; 「クール」 can also describe a calm, stylish person.
• Synonym冷ややかひややかWrittenWritten word for an icy, distant attitude, as in 「冷ややかな目」; 「クール」 can be cold too, but usually means calm.
• Related冷淡れいたんWrittenWritten word for indifference or lack of enthusiasm, with a negative ring; 「クール」 can be cold too, but often suggests calm composure.
• Related爽凉そうりょうWrittenA rare written term for crisp, refreshing air; 「クール」 is more conversational and also covers calm and stylish.
• Related涼やかすずやかWrittenWritten word for a refreshing, pleasantly cool look or feel, as in 「涼やかな目元」; 「クール」 stresses calm and stylish.
• AntonymホットCasualColloquial loanword for hot, or trending and fresh; the temperature opposite of 「クール」, as in hot versus cold drinks.
• Antonym熱いあついNeutralMeans hot to the touch or passionate, as in 「熱い人」; the opposite of calm 「クール」 in both temperature and emotion.
• Antonym暖かいあたたかいNeutralMeans warm and kindly, as in 「暖かい色」; the opposite of 「クール」 in its cool, refreshing and cold, distant senses.

Use 「クール」 for calm, stylish coolness, as in 「クールな性格」 or 「クールビズ」, and for cool colors; use 「涼しい」 for pleasantly cool weather; 「冷淡」 and 「冷ややか」 for cold attitudes; the opposites are 「熱い」 and 「暖かい」.

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

1. 冷つめたい、涼すずしい。
2. 冷静れいせいな、落ち着おちついた。
3. 素適すてきな、かっこいい。