feel blue

Idioms  

1. Be depressed or sad, as in I was really feeling blue after she told me she was leaving. The use of blue to mean “sad” dates from the late 1300s. See also blue funk, def. 2; have the blues.

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Example Sentences

See Examples For:

feel blue

Plus, more Fed officials signal a rate increase is coming soon, and pool owners feel blue about the color blue.

From The Wall Street Journal ● Jun. 17, 2026

He helps you if you feel blue, if you just need some clarity or perspective on the trials and tribulations of life, he gives you that.

From BBC ● Jun. 14, 2026

So if there is a dip, investors shouldn’t feel blue but embrace the yellow metal.

From Barron's ● Oct. 16, 2025

Throw in some hormonal mayhem, and it’s no wonder the women in the book feel blue.

From Washington Post ● Feb. 6, 2020

"Am I?" said Ellen, laughing; "I feel blue, but I can't eat such a pile of cakes as that, Mr. Van Brunt."

From The Wide, Wide World by Susan Warner