初体験（はつたいけん、hatsutaiken）
- first experience

The Japanese word 初体験 (初体験, hatsutaiken) means "first experience" or "first time." It refers to the initial encounter with something, a situation, or an activity that one has never experienced before. It implies a sense of novelty and often carries an emotional component, such as excitement, nervousness, or anticipation. The meaning centers on the "firstness" of the experience. The word can be used in both formal and informal contexts.

⚫︎ 初めての初体験 Translation: The first first experience. (Redundant but sometimes used for emphasis.) ⚫︎ バンジージャンプは私の初体験でした。 Translation: Bungee jumping was my first experience. ⚫︎ 彼女との初体験は忘れられない。 Translation: The first time with her is unforgettable.

⚫︎ 初体験 is used when describing something that you are doing or have done for the very first time. ⚫︎ It can be used for both positive and negative experiences, though the context will usually clarify the feeling. ⚫︎ It can be used across various situations, from trying a new food to having a significant life event. ⚫︎ You can use it when talking about your own experiences or someone else's.

⚫︎ 初体験 is typically written with the kanji 初 (はつ, meaning "first" or "beginning") and the kanji 体験 (たいけん, meaning "experience"). ⚫︎ The reading is はつたいけん (hatsutaiken) using hiragana. ⚫︎ There are no other common ways to write this word. ⚫︎ The okurigana is fixed, with no variations.

⚫︎ 初めて (はじめて, hajimete): "for the first time." (This is a more general term) ⚫︎ デビュー (debyū): "debut" (often used in entertainment context) ⚫︎ 最初 (さいしょ, saisho): "first" or "beginning"

⚫︎ 慣れ (なれ, nare): "habituation" or "getting used to" ⚫︎ 二度目 (にどめ, nidome): "second time" ⚫︎ There are no direct antonyms, as the concept of "first" has no direct opposite.

私は初めての海外旅行で、日本食レストランに行き、ラーメンを初体験しました。 ・Translation: On my first overseas trip, I went to a Japanese restaurant and had my first experience with ramen. ・Explanation: This sentence describes the speaker's 初体験 of eating ramen at a restaurant during their first trip abroad.

彼女は初めての舞台で、とても緊張したけど、初体験の喜びを感じた。 ・Translation: She was very nervous on her first stage performance, but felt the joy of the 初体験. ・Explanation: This sentence illustrates a 初体験 in the context of a stage performance, highlighting both the nervousness and the happiness associated with it.

⚫︎ 初 (hatsu/hatsu-) comes from the ancient Japanese word for "beginning" or "first." ⚫︎ 体験 (taiken) is a Sino-Japanese compound word made up of 体 (tai, meaning "body" or "experience") and 験 (ken, meaning "test" or "experience"). The meaning evolved to encompass the idea of personal experience. ⚫︎ The combination of these two elements forms the word 初体験 to represent the idea of a "first experience."