laborious
adjective/ləˈbɔːriəs/
/ləˈbɔːriəs/
- taking a lot of time and effort
- a laborious task/process
- Checking all the information will be slow and laborious.
Oxford Collocations DictionaryLaborious is used with these nouns:- process
- task
Word Originlate Middle English (also in the sense ‘industrious, assiduous’): from Old French laborieux, from Latin laboriosus, from labor ‘labour’.Want to learn more?
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laborious