ブルーburuu

1. no-adjectiveblue
   あなたはブルーの服ふくを着きるととてもすてきだ。↗

   You are very attractive in blue.
2. na-adjectivesad; down (in the dumps)
   彼女かのじょ、どうしたの？ちょっとブルー入はいってるけど。↗

   What's wrong with her? She's looking kind of blue.

• Synonym青あおNeutralThe native word for blue, also covering green traffic lights and unripe things; 「ブルー」 is the loanword option and can also describe a gloomy mood.
• Synonym青色あおいろNeutralThe plain color name for blue, with an explanatory feel; 「ブルー」 can also figuratively describe feeling down.
• Related青みあおみNeutralA shade tinged with blue or green rather than blue itself, and also the green vegetable garnish on a dish; 「ブルー」 names the color itself.

「ブルー」 works for both the color blue and a gloomy mood, as in 「ブルーな気分」; for the color itself 「青」 and 「青色」 are the usual choices, and 「青み」 for a bluish tinge.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 青あお。青色あおいろ。藍色あいいろ。
2. 憂鬱ゆううつな。ブルース調ちょうの。
3. 下品げひんな。猥褻わいせつな。
4. ステーキで、限かぎりなく生なまに近ちかい焼やき方かた。