What is the definition of Languages Macabre?

"Languages macabre" is a playful twist on the word 'acabre,' which means morbid, dark, or relating to death. So, 'languages macabre' is like a darkly funny, eerie mix of words that talk about death in the most morbidly poetic way possible.

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Here's an unsettling example sentence: "In the crypt, our linguist decided to speak 'languages macabre' about the afterlife, hoping it would scare us into believing the soul could fly."