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[groo-uh-ling, groo-ling] /ˈgru ə lɪŋ, ˈgru lɪŋ/
exhausting; very tiring; arduously severe:
the grueling Boston marathon.
any trying or exhausting procedure or experience.
Also, especially British, gruelling.
Origin of grueling
1850-55; slang gruel punishment (noun), punish (v.) + -ing2, -ing1
Related forms
gruelingly, adverb Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for grueling
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Historical Examples
  • 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.

    Tales of Fishes Zane Grey
  • With him to show the way the swamp became merely a hard, grueling mush through boggy lowlands.

    The Yukon Trail

    William MacLeod Raine

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