arduous
adjective /ˈɑːdʒuəs/
/ˈɑːrdʒuəs/
- involving a lot of effort and energy, especially over a period of time
- an arduous journey across the Andes
- The work was arduous.
Extra ExamplesTopics Working lifec2- It was physically arduous work.
- The road back to political stability is long and arduous.
- an arduous task/process
Oxford Collocations DictionaryArduous is used with these nouns:- climb
- journey
- process
- …
Word Originmid 16th cent.: from Latin arduus ‘steep, difficult’ + -ous.