パジャマ（パジャマ、pajama）
- pajamas

The word パジャマ （パジャマ） refers to pajamas. It's the clothing worn for sleeping, typically consisting of a top (like a shirt or jacket) and bottoms (like pants or shorts).

⚫︎今日、新しいパジャマを買いました。 Translation: I bought new pajamas today. ⚫︎子供はいつも可愛いパジャマを着ています。 Translation: The child always wears cute pajamas. ⚫︎パジャマに着替えて、もう寝ましょう。 Translation: Let's change into our pajamas and go to sleep.

• パジャマ （パジャマ） is used in casual and formal contexts. • You can use it when talking about the clothes themselves, the act of wearing them, or even referring to someone in their pajamas. • It's a common and widely understood word in Japanese.

• パジャマ （パジャマ） is written in katakana, as it's a loanword from English. • There are no kanji or variations in okurigana for this word.

• There aren't many direct synonyms for パジャマ （パジャマ） in Japanese. The term is quite specific. • Sometimes, words like 寝間着 (ねまき – nemaki), meaning "sleepwear," might be used, but パジャマ （パジャマ） is the most common and versatile.

• While there's no direct antonym, you could think of words for daytime clothes, like 普段着 (ふだんぎ – fudangi), which means "everyday clothes."

毎晩、お気に入りのパジャマを着て寝ます。 • Translation: Every night, I wear my favorite pajamas to sleep. • Explanation: This sentence describes the routine of wearing pajamas before going to bed.

パジャマ姿で家の中を歩き回るのは、リラックスできますね。 • Translation: It's relaxing to walk around the house in my pajamas. • Explanation: This sentence highlights the comfort associated with wearing pajamas.

The word パジャマ （パジャマ） comes from English, where it's also "pajamas." The English word, in turn, is derived from the Persian word "pā-jāmeh," which refers to loose trousers worn by people in India and Persia.