deep mourning

noun

1. completely black mourning clothes made of a drab material:

   After her brother died, she was in deep mourning for a year.

Word History and Origins

Origin of deep mourning¹

First recorded in 1715–25

Example Sentences

Then, in 1978, my father died after a brutal bout with cancer, and we all went into deep mourning.

From The Daily Beast

The lady was dressed in deep mourning, like herself, and she had a sweet, motherly face that drew Mildred irresistibly to her.

From Project Gutenberg

I passed one winter in Boston; but I was in deep mourning and did not go into society.

From Project Gutenberg

Then she went into deep mourning, the children also dressing in mourning and refusing to go into society for a time.

From Project Gutenberg

My travelling companion, for part of the way, was a lady, attired in deep mourning.

From Project Gutenberg

The Knight heard the words with surprise, and as quickly remarked that the young man was dressed in deep mourning.

From Project Gutenberg