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laboriousThe project was laborious and took many hours to complete.
The project was laborious and took many hours to complete.Requiring a lot of effort and hard work.
The laborious task took all day to finish.
The laborious task took all day to finish.She found the laborious process exhausting.
She found the laborious process exhausting.His laborious efforts finally paid off.
His laborious efforts finally paid off.laborious process
laborious processlaborious task
laborious tasklaborious journey
laborious journeyarduous
strenuous
demanding
