fatiguing

adjective

fa·​tigu·​ing fə-ˈtē-giŋ 

: causing physical or mental weariness or exhaustion : causing fatigue

For tens of thousands of Americans afflicted with inflammatory muscle diseases, simple tasks may be overwhelmingly difficult or fatiguing.

—Jane E. Brody

… sleazy discos that have provided the subject matter (and often the fatiguing life style) for many of his contemporaries.

—Carolyn Gaiser

fatiguingly adverb

a fatiguingly long day/story

Word History

First Known Use

1696, in the meaning defined above