Pronunciation change

  • (UK) IPA (key): /ˈɡrʊə.lɪŋ/
  • (US) IPA (key): /ˈɡru.lɪŋ/ or /ˈɡru.əl.ɪŋ/
  • (file)

Other spellings change

Adjective change

Positive
grueling

Comparative
more grueling

Superlative
most grueling

  1. (US) Something that is grueling is very tiring and difficult.
    It took five grueling hours to finish running the marathon.