パンツ（パンツ、pantsu）
- pants / underwear

The Japanese word パンツ is a loanword from English, meaning "pants" or "underpants". It generally refers to various types of trousers or undergarments worn on the lower body. The specific meaning depends on context. The word パンツ can be used to describe both underwear and outer clothing.

⚫︎新しいパンツを買いました。 Translation: I bought new pants. ⚫︎パンツをはく。 Translation: To wear pants. ⚫︎下着のパンツ Translation: Underwear.

The word パンツ is commonly used in everyday conversation. ⚫︎ It can refer to all kinds of trousers, including jeans, slacks, and even shorts. ⚫︎ It can also refer to underwear, so the context is important to understand the intended meaning. ⚫︎ When referring to specific types of pants, you might add a descriptive word before パンツ, such as ジーンズのパンツ (jeans) or 短パンツ (shorts). ⚫︎ Be careful to use appropriate terms based on the context.

パンツ is written in katakana. ⚫︎ It is always written as パンツ. ⚫︎ There are no other ways to write this word.

⚫︎ ズボン: pants, trousers (more formal and refers mainly to outer pants). ⚫︎ 下着: underwear (a general term). ⚫︎ ショーツ: shorts (for underpants, typically used by women.) ⚫︎ ブリーフ: briefs (for underpants, usually refers to men's briefs) ⚫︎ トランクス: trunks (for underpants, usually refers to men's boxer shorts)

There aren't direct antonyms for パンツ, but you could consider terms related to being unclothed: ⚫︎ 裸: naked

今日、新しいパンツを洗濯しました。 ・Translation: I washed my new pants today. ・Explanation: This sentence refers to outer pants, as indicated by the action of washing them.

彼はパンツを忘れて学校に行った。 ・Translation: He went to school forgetting his pants. ・Explanation: This sentence, depending on the context, could mean he forgot his trousers, or, more likely, he forgot his underwear.

The word パンツ is derived directly from the English word "pants". It was adopted into Japanese as a loanword, retaining the same basic meaning.