[groo-uh-ling, groo-ling]


exhausting; very tiring; arduously severe: the grueling Boston marathon.


any trying or exhausting procedure or experience.

Also especially British, gru·el·ling.

Origin of grueling

1850–55; slang gruel punishment (noun), punish (v.) + -ing2, -ing1
Related formsgru·el·ing·ly, adverb Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for grueling

Contemporary Examples of grueling

Historical Examples of grueling

  • Not one day, scarcely one hour had been free of grueling labor.

    The Spell of the White Sturgeon

    James Arthur Kjelgaard

  • It isn't a grueling competition like the 'Open' or even the 'Limit.'

    Lad: A Dog

    Albert Payson Terhune

  • However, it was at Pond Farm we had some of our most grueling experiences.

    Private Peat

    Harold R. Peat

  • I had a grueling battle with him, and at the end of two hours and fifty minutes he broke my hook.

  • With him to show the way the swamp became merely a hard, grueling mush through boggy lowlands.

    The Yukon Trail

    William MacLeod Raine