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

Democratic systems depend on something more demanding: the ability to tolerate disagreement, engage with complexity and distinguish between what feels true and what is demonstrably so.

From The Wall Street Journal • Mar. 26, 2026

The way O’Hara gilds this line’s delivery with a wistful sparkle feels true because we’ve seen her spin such treasure playing all kinds of would-be topliners with an amiable, delicious amount of lunacy.

From Salon • Feb. 4, 2026

Even when Agnes does something outlandish or implausible — turning up on foot at Gavin’s door in a tizzy is one of her curious quirks — it feels true to the character.

From Los Angeles Times • Jun. 27, 2025

The sequence brings into the open what is usually hidden, in a way that the opera never quite does, and in a way that feels true to Sister Helen’s cri du coeur 30 years ago.

From New York Times • Sep. 27, 2023

“I guess maybe I’ve thought about the possibility for so long that it feels true now. Except it’s more than that.”

From "Beyond the Bright Sea" by Lauren Wolk