V2 Vocabulary Building Dictionary
Definition: 1. requiring great physical endurance or exertion; 2. requiring great mental effort; 3.steep or demanding
Synonyms: difficult, hard, strenuous, laborious, formidable, tiring, exhausting, demanding, trying, grueling, uphill, steep
Antonyms: effortless, easy
Tips: The original meaning of arduous was "steep." Because anything steep is typically difficult to climb and overcome, the word eventually took on the more general meaning of "difficult." Arduous is a more sophisticated way of describing something difficult or laborious.
J.R.R. Tolkien's The Lord of the Rings details an arduous journey made by an unlikely hero. (difficult, strenuous, exhausting)
The athlete's success can be attributed to a combination of natural ability and arduous training. (strenuous, hard)
He was given the arduous task of managing the global product launch in 20 countries and in 12 different languages. (formidable, grueling)
Only a few volunteered for the arduous military mission. (difficult, demanding)
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