blues

noun

plural in form but singular or plural in construction
1
: low spirits : melancholy
suffering a case of the blues
2
: a song often of lamentation characterized by usually 12-bar phrases, 3-line stanzas in which the words of the second line usually repeat those of the first, and continual occurrence of blue notes in melody and harmony
3
: jazz or popular music using harmonic and phrase structures of blues

Examples of blues in a Sentence

failing the driving test gave me the blues for the rest of the day

Word History

Etymology

blue devils

First Known Use

1741, in the meaning defined at sense 1

Time Traveler
The first known use of blues was in 1741

Browse Nearby Words

Cite this Entry

“Blues.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/blues. Accessed 10 Sep. 2025.

Kids Definition

blues

plural noun
1
: low spirits : melancholy
2
: a song often expressing sadness and characterized by the continual occurrence of the flatted third, fifth, and seventh tones of a scale in both the melody and harmony

Medical Definition

blues

noun, plural in form but singular or plural in construction
: low spirits : melancholy
blue adjective

More from Merriam-Webster on blues

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