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black dog

American  

noun

Informal.
  1. melancholy; despondency; the blues.

    The black dog is over him.


black dog British  

noun

  1. informal depression or melancholy

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of black dog

First recorded in 1700–10

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

And the Barghest was a spectre who took the form of a bear or a black dog with large, flaming eyes as big as saucers.

From BBC • Dec. 25, 2024

Another pair, then a man, trailed by a woman and a black dog and then a cluster of five people and four dogs.

From Seattle Times • Nov. 3, 2022

A slobbery black dog ran back and forth across the dirt lot.

From Los Angeles Times • Sep. 9, 2022

When the black dog, as Winston Churchill called his depression, nipped at his heels, Buchwald turned to humor, “the greatest defense in the world.”

From Washington Post • Sep. 9, 2022

A woman ran out of one of the trailers and tried to grab the black dog while the skinny dog snapped and growled and then suddenly just took off running.

From "Wish" by Barbara O'Connor

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