Words similar to arduous

Example sentences for: arduous

How can you use “arduous” in a sentence? Here are some example sentences to help you improve your vocabulary:

Since, as the papers point out, the federal program allows monitorees to go to and from work, look for Kim to be inundated with arduous meetings from early morning till late at night.
First, as implied above, cloning and recombinant expression of the viral genomic RNA and all the viral proteins in the right proportion constitute a long and arduous task, daunting to an average laboratory.
The Phase Two strikes and raids began on October 7. The basing arrangements contemplated for Phase One were substantially secured-after arduous effort-by the end of that month.
After the high emotion of de Gaulle’s march down the Champs-Elysées, the business of post-war reconstruction, though boosted by the generous aid of the Americans’ Marshall Plan, proved arduous, and the wartime alliance of de Gaulle’s conservatives and the Communist Party soon broke down.
Who knows, perhaps the arduous haul gave rise to the term tug?