grueling

[ groo-uh-ling, groo-ling ]
See synonyms for: gruelinggruelingly on Thesaurus.com

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

noun
  1. any trying or exhausting procedure or experience.

Origin of grueling

1
1850–55; slang gruel punishment (noun), punish (v.) + -ing2, -ing1
  • Also especially British, gru·el·ling .

Other words from grueling

  • gru·el·ing·ly, adverb

Words Nearby grueling

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use grueling in a sentence