ブルー

ぶるー
noun, adjective-na
blue; feeling down, depressed
1. blue (color)
The color blue. Used as a fashionable or stylish alternative to (あお), especially in product names, fashion, and design.
ブルーのシャツが似合(にあ)う。
A blue shirt suits you.
(そら)のブルーが(うつく)しい。
The blue of the sky is beautiful.
ネイビーブルーの壁紙(かべがみ)()()えた。
I changed to navy blue wallpaper.
2. feeling down, depressed, blue
A state of feeling sad, gloomy, or low-spirited. Borrowed from the English expression 'feeling blue.'
月曜日(げつようび)気分(きぶん)がブルーだ。
I feel blue on Mondays.
連休(れんきゅう)()けでブルーになっている。
I'm feeling down because the holidays are over.
マリッジブルーで結婚式(けっこんしき)(まえ)はずっと不安(ふあん)だった。
I had pre-wedding blues and felt anxious the whole time before the ceremony.

USAGE:
Sense 1 is used as a stylish color term, especially in fashion and design. (あお) remains the standard everyday word for blue.

Sense 2 is commonly used to describe a mild, temporary feeling of sadness or gloom. It is less clinical than (うつ).

COMMON COLLOCATIONS:

  • マリッジブルー: pre-wedding anxiety
  • マタニティブルー: maternity blues, postpartum depression
  • 気分(きぶん)がブルー: feeling blue
  • ブルーな気持(きも)ち: gloomy feelings
  • ロイヤルブルー: royal blue

SIMILAR WORDS:
(あお) is the standard word for the color blue. ブルー sounds more fashionable for sense 1 and is the only option for the emotional meaning (sense 2).