Needing or using up much energy; testing powers of endurance. (adjective)
burning; ardent (adjective)
this sense) Difficult or exhausting to traverse. (adjective)
Examples of word arduous
U.S. power officials now say this outage is contained and what they call the arduous process of restoring systems is underway and we have gotten some confirmation of that from our reporters in New York City.
Backers of the confirmation measure say they want to ease what they call an arduous chore for midlevel nominees trying to navigate the Senate in a supercharged partisan era.
Hassan said his resignation was not caused by any divisions in his economic team but insisted "the reasons behind not wanting to renew his contract is his age and the length of time he has spent in this post which he described as arduous," according to the statement.
Her mother, and even Lexi, gave him wide berth, and the long trip was conducted in arduous silence.
As this is also the moment when the state begins to shovel out generous pensions, more than 600 Greek professions somehow managed to get themselves classified as arduous: hairdressers, radio announcers, waiters, musicians and on and on and on.