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blues

blues /ˈbluːz/ noun
blues
/ˈbluːz/
noun
Britannica Dictionary definition of BLUES
the blues : a feeling of sadness or depression
[noncount] : a style of music that was created by African-Americans in the southern U.S. and that often expresses feelings of sadness often used with the often used before another noun sometimes used figuratively
see also rhythm and blues

— bluesy

/ˈbluːzi/ adjective bluesier; bluesiest