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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.

See Examples For:

Yuriy, a senior instructor who led one of the squads across the gruelling obstacle course, has at times pondered the necessity of such trials given the nature of drone warfare.

From Barron's Aug. 20, 2026

Nico Gonzalez, speaking after a gruelling game in the heat against K-League All-Stars, provided valuable confirmation.

From BBC Aug. 14, 2026

"The five years have been so gruelling that I feel like a 500-year-old woman, one who cannot die."

From Barron's Aug. 14, 2026

At the time, he said: "It has been a gruelling but humbling six months, and I hope to have proven that anything is possible with some determination, self-belief and positivity."

From BBC Aug. 1, 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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