The first recorded use of the word "boredom" was found in a novel written by Charles Dickens

Boredom by Gaston de La Touche, 1893

Before the word “boredom” became a standardized English term, the word “ennui” was the popular term which was used to describe the state of not having anything particular to do. The term “ennui” was borrowed from French and became widespread in the United Kingdom sometime around 1776.

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