大正解

• 読み: だいせいかい
• ローマ字: dai seikai
• 漢字の分解: 大 (great) + 正 (correct) + 解 (answer/solution) → great correct answer
• 発音: /da.i.se.i.ka.i/

意味

Absolutely correct — emphatic validation that a choice or decision was perfectly right.

Combines 大 (great/big) with 正解 (correct answer) for an emphatic 'spot-on!' Used to validate someone's choice: a restaurant pick, a fashion decision, a life change. Popular on variety shows, social media, and casual conversation. It carries a warm, supportive tone that goes beyond mere agreement.

例文

1. このお店にしたの大正解だったね。
2. 転職したの大正解じゃん、めっちゃ楽しそう。
3. 推し変しなかったの大正解だった。

使い方ガイド

場面: friends, social media, variety shows

トーン: validating, enthusiastic

正しい言い方

• この色にしたの大正解だよ、めっちゃ似合ってる。 (Choosing this colour was the perfect call — it suits you so well.)
• 早めに予約したの大正解だった。 (Booking early was totally the right move.)

避ける言い方

• 目上の人の判断に「大正解」はやや上から目線 (Using 'dai seikai' about a superior's decision can sound condescending — you're grading them)

よくある間違い

• Using 大正解 when commenting on a superior's decision — it can sound like you are evaluating them from above

起源と歴史

From quiz show and classroom vocabulary where 正解 means 'correct answer.' Adding 大 (big/great) as an intensifier became a casual compliment phrase in the 2010s, especially on variety TV shows and social media.

文化的背景

時代: 2010s variety show and social media culture

世代: All ages

社会的背景: Universal informal

地域メモ: Used across all of Japan. Common on TV variety shows and in everyday casual conversation.