If you do something arduously, you put a lot of hard work into it. When a runner trains arduously for a marathon, she practices in a dedicated, rigorous way.
In an arduous manner; with difficulty or laboriousness.
Adverb
 in an arduous manner; "they worked arduously"
adv.
 In an arduous manner; with difficulty or
   laboriousness.
Arduously
In an arduous manner; with difficulty or laboriousness.
Usage Examples
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