[groo-uh-ling, groo-ling]


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


any trying or exhausting procedure or experience.

Nearby words

  1. grudging,
  2. grudgingly,
  3. grudziadz,
  4. grue,
  5. gruel,
  6. gruelling,
  7. gruenberg,
  8. gruenberg, louis,
  9. gruesome,
  10. gruesomely

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