涼しい（すずしい、suzushii）
- cool

The Japanese word 涼しい (すずしい) means "cool" or "refreshing" in terms of temperature. It describes a pleasant feeling of coolness, often associated with a gentle breeze, shade, or the end of a hot day. It signifies a temperature that is neither too hot nor too cold, but comfortably cool. 涼しい can also refer to the ambiance or atmosphere, beyond just the temperature.

⚫︎今日は涼しいですね。 Translation: It's cool today, isn't it? ⚫︎木陰は涼しい。 Translation: The shade is cool. ⚫︎夕方は涼しくなって気持ちがいい。 Translation: It feels good because it becomes cool in the evening.

⚫︎You use 涼しい to describe the temperature when it is comfortably cool. ⚫︎It's common to use it to comment on the weather. ⚫︎You can use it in various situations like: ⚫︎Describing the temperature of a room. ⚫︎Talking about the weather outside. ⚫︎Referring to a refreshing feeling in nature. ⚫︎Conjugate the adjective as needed: ⚫︎涼しく: adverbial form (e.g., "It becomes cool.") ⚫︎涼しかった: past tense (e.g., "It was cool.") ⚫︎涼しくない: negative form (e.g., "It is not cool.") ⚫︎涼しくありません: negative polite form (e.g., "It is not cool.")

⚫︎The word is typically written in kanji as 涼しい, but can also be written in hiragana as すずしい. ⚫︎The okurigana (the suffix hiragana) is always しい.

⚫︎さわやか (爽やか): refreshing, invigorating (often used for air and mental states). ⚫︎ひんやりする: to feel chilly, slightly cool.

⚫︎暑い (あつい): hot. ⚫︎熱い (あつい): hot (for objects). ⚫︎蒸し暑い (むしあつい): hot and humid.

夏の夕方は涼しくて過ごしやすい。 ・Translation: The summer evenings are cool and easy to spend. ・Explanation: This sentence describes the pleasantness of summer evenings because of the cool temperature.

エアコンをつけたら、部屋が涼しくなった。 ・Translation: The room became cool after turning on the air conditioner. ・Explanation: This sentence explains how the room temperature changed after using the air conditioner.

The kanji 涼 itself means "cool" or "refreshing." The origin of the word 涼しい comes from the adjective form of 涼 + しい, which is a common adjective suffix in Japanese. It evolved to specifically describe the sensation of coolness.