arduous

UK: /ˈɑːdjuːəs/   US: /ˈɑɹdʒuəs/
lýsingarorð
  • brattur
  • örðugur, torveldur (an arduous task)

Samheiti: backbreaking, grueling, gruelling, hard, heavy, laborious, operose, punishing, straining, strenuous, toilsome