ワンピース（ワンピース、wanpiーsu）
- one-piece dress

The Japanese word ワンピース (pronounced wān pīsu) primarily refers to a "one-piece dress" or a "dress" in English. It describes a garment that is a single piece, covering the torso and often extending to the legs. The word is borrowed from the English words "one" and "piece." The term emphasizes that the garment is made from a single structure rather than separate parts like a top and skirt. In the context of the word ワンピース, its use generally focuses on women's dresses.

⚫︎ワンピースを着て、パーティーに行きました。 Translation: I wore a dress and went to a party. ⚫︎新しいワンピースを買いました。 Translation: I bought a new dress. ⚫︎夏は涼しいワンピースがいいですね。 Translation: A cool dress is nice in the summer.

This word is used to describe dresses. It's suitable for various social contexts, from casual to formal, depending on the dress's style and fabric. When you want to specifically refer to a one-piece dress, you would use ワンピース.

ワンピース is written in katakana, which is used for loanwords (words borrowed from foreign languages, in this case, English). There are no variations in okurigana for this word.

There aren't direct synonyms in Japanese, but words that could be used interchangeably in some contexts are: ⚫︎ ドレス (doresu): "Dress" (another loanword) - sometimes used more broadly. ⚫︎ 洋服 (youfuku): "Western-style clothes." However, none of these words specifically highlight the "one-piece" aspect.

There isn't a direct antonym. However, when contrasting with a ワンピース, you could describe a two-piece outfit such as: ⚫︎ ツーピース (tsū pīsu): "Two-piece". ⚫︎ セットアップ (setto appu): "Set up" (referring to a matching top and bottom)

彼女は赤いワンピースを着て、とても素敵だった。 ・Translation: She looked lovely wearing a red dress. ・Explanation: This sentence describes someone wearing a specific type of clothing (a dress) and comments on their appearance.

このワンピースは洗濯しやすいので、気に入っています。 ・Translation: I like this dress because it's easy to wash. ・Explanation: This explains a personal preference related to the dress's practicality.

The word ワンピース is a loanword from English, combining "one" and "piece" to describe a garment that is one single piece of clothing.