| blues | a type of folk song that originated among Black Americans at the beginning of the 20th century |
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| blues | an informal term for a state of depression |
| blues | tall grass with smooth bluish leaf sheaths grown for hay in the United States |
| blues | valuable forage grass of western United States |
| blues | a woman having literary or intellectual interests |
| blues | bluish-gray sandstone used for paving and building |