Blue is not only a favorite color for a lot of people, it is a word that occurs in many English expressions, some of them oddly contradictory.
Obscene language is said to be “blue,” yet blue laws are those that forbid activities considered irreligious to take place on Sunday. A common blue law in the United States forbids the sale of liquor on Sundays.
The sky is blue but the gray coats of some dogs are also called “blue.”
A blue mood is a sad mood. To have the blues is to be sad, and the Blues refers to a type of music about unhappy love.
People who talk so much that others can hardly get a word in edgewise are said to talk a blue streak. (One can also “cuss ...
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