Pronunciation change

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

Other spellings change

Adjective change

Positive
gruelling

Comparative
more gruelling

Superlative
most gruelling

  1. (Canada) (UK) Something that is gruelling is very tiring and difficult.
    The climb lasted a gruelling twenty minutes.