What does grueling mean?
Grueling describes an activity, experience, or schedule that is so difficult, demanding, or exhausting that it tests a person’s endurance. It is especially common in contexts involving strenuous work, demanding training, difficult travel, intensive study, and long or exacting processes. The word generally carries a negative connotation: grueling work may be admirable because of the commitment it represents, but it is not pleasant or easy. For example, a grueling workout pushes the body close to its limits, while a grueling schedule offers little time for rest. Although grueling functions principally as an adjective, it can also appear as a verb meaning to exhaust someone through strain. Its striking history connects it to gruel, an old word for a simple porridge. The modern sense grew from the idea of wearing someone down until they had nothing left, preserving the word’s association with depletion and endurance.
Extremely tiring, difficult, and demanding of effort or endurance.
"The climbers endured a grueling ascent in bitter cold."
The dominant modern use. Both grueling and the British-spelled gruelling are accepted in their respective regional conventions.
To exhaust or wear someone down through hard work, strain, or difficulty.
"The relentless pressure of the project was grueling the entire team."
This is a less common and more literary use than the adjective.
Grueling has a humble beginning: its root, gruel, was once food, before the word grew to mean “wear out.”
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does grueling come from?
Grueling was formed in English from gruel, a verb meaning to exhaust or wear someone down, with the -ing ending. Grueling functions both as an adjective and as a present participle. The noun gruel was borrowed from Old French gruel and ultimately derives from Latin, reflecting the word’s older history as a simple food before it developed figurative senses associated with nourishment and exhaustion.
How grueling is actually used
Common in everyday English and especially associated with work, exercise, travel, and difficult processes. The American spelling has one l, while gruelling with two l's is standard in British English. As a verb, grueling is comparatively uncommon and literary.
Easily confused with grueling
Grieving means mourning a loss, whereas grueling means being extremely tiring or demanding.
Gruel is a thin porridge or cereal, while grueling describes an exhausting task, process, or experience.