na-adjective
cool; cool-toned; refreshingly cool
Used for a physically cool sensation or a cool visual impression, especially colors, designs, and product descriptions.
クールな色合いの部屋で、気持ちが落ち着いた。
The cool-toned room made me feel relaxed.
このタオルは水で
This towel keeps a cool feel when you wet it with water.
na-adjective
calm and collected; cool-headed; emotionally detached
Can be positive, meaning calm under pressure, or negative, suggesting a cold or distant attitude.
彼女はトラブルの時でもクールに判断できる。
She can make cool-headed decisions even when there is trouble.
彼のクールな態度は、時々冷たく見える。
His cool attitude sometimes looks cold.
na-adjective
A praise word for something or someone that looks stylish, modern, or impressive; common in casual speech and advertising.
その黒いコート、すごくクールだね。
That black coat is really cool.
クールなデザインの腕時計を探している。
I am looking for a watch with a cool design.