C2adverbformalworkacademic
US/ˈɑːr.dʒu.əs.li/
UK/ˈɑː.dʒu.əs.li/
in a very difficult and tiring way that needs a lot of effort over a long time
In context
The climbers worked arduously to reach the summit before the storm arrived.
She arduously collected data from more than two hundred villages over three years.
The old man arduously carried the water up the hill every morning.
Words that go with arduously
verb + adverb
- work arduouslyThe team worked arduously through the night to finish the report.
- train arduouslyAthletes train arduously for years before the Games.
- climb arduouslyThey climbed arduously up the frozen slope.
adverb + adjective
- arduously earnedTheir arduously earned victory made the whole town proud.
adverb + verb
- arduously collectResearchers arduously collect samples in extreme cold.