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gruelling

British  
/ ˈɡruːəlɪŋ /

adjective

  1. severe or tiring

    a gruelling interview

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

noun

  1. informal a severe experience, esp punishment

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of gruelling

C19: from now obsolete vb gruel to exhaust, punish

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Much of Western Europe was sweltering in a gruelling heatwave on Friday with the mercury expected to continue rising in the coming days, likely shattering yet more temperature records.

From Barron's • Jun. 19, 2026

Iraq endured a gruelling 21-game qualifying run – the most fixtures of any nation - which included numerous different rounds and play-offs to become the last team to secure their place at the tournament.

From BBC • Jun. 16, 2026

Hyodol's character was designed to be dependent on its user, as many older Koreans have spent their lives enduring gruelling work to provide for their families, Kim said.

From Barron's • Jun. 11, 2026

Bollywood's long-entrenched culture of gruelling work schedules is facing rare scrutiny, as top actors and filmmakers clash over calls to cap shooting days at eight hours.

From Barron's • Jun. 2, 2026

As soon as this happened, they cheerfully abandoned the gruelling, dangerous, and often spartan life of hunter-gatherers, settling down to enjoy the pleasant, satiated life of farmers.

From "Sapiens: A Brief History of Humankind" by Yuval Noah Harari

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