ar·du·ous | \ ˈär-jə-wəs , -dyu̇- , -jü-əs \

Definition of arduous 

1a : hard to accomplish or achieve : difficult an arduous task years of arduous training

b : marked by great labor or effort : strenuous … a life of arduous toil. —A. C. Cole

2 : hard to climb : steep an arduous path

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Other words from arduous

arduously adverb
arduousness noun

Choose the Right Synonym for arduous

hard, difficult, arduous mean demanding great exertion or effort. hard implies the opposite of all that is easy. farming is hard work difficult implies the presence of obstacles to be surmounted or puzzles to be resolved and suggests the need of skill or courage. the difficult ascent of the mountain arduous stresses the need of laborious and persevering exertion. the arduous task of rebuilding

Examples of arduous in a Sentence

Traveling for several days by train, stagecoach and horseback, they would reach Mariposa Grove, a stand of some 200 ancient giant sequoias, where they would rest before embarking on an arduous descent via 26 switchbacks into the valley. —Tony Perrottet, Smithsonian, July 2008 As yoga classes go, this is not an arduous one, but the students don't know that. —Richard Corliss, Time, 23 Apr. 2001 Women of middling means had the most to gain from increased consumption, for imported goods often reduced their long and arduous labor, especially in making candles and soap or in spinning and weaving cloth. —Alan Taylor, American Colonies, 2000 He went through a long and arduous training program. an arduous journey across miles of desert
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Recent Examples on the Web

The process is arduous, with the private meetings giving way to days of testimony before the Senate Judiciary Committee, which has 11 Republicans and 10 Democrats. Kevin Freking,, "What to expect in the Supreme Court confirmation battle," 9 July 2018 The process is arduous, with the private meetings giving way to days of testimony before the Senate Judiciary Committee, which has 11 Republicans and 10 Democrats. Kevin Freking, The Seattle Times, "What to expect in the Supreme Court confirmation battle," 9 July 2018 Most have travelled for weeks from Central America, though some journeys are more arduous than others. The Economist, "America’s immigration system is broken," 28 June 2018 Trying to explain conservation or renewable energy to someone who is skeptical of climate change is arduous. Danielle Butcher, Vox, "Young conservatives like me care about climate change. The GOP needs to take notice.," 23 May 2018 The process was arduous; the camera captured a bare-chested Ranallo weeping inside hotel rooms, growling at himself with rage and pounding his keyboard in euphoria. Andy Mccullough,, "The 'Bipolar Rock 'N' Roller' calls some of combat sports' biggest events. But his real fight is against the stigma of mental illness," 23 May 2018 Harry’s search to find a wife and a meaningful role in his life has been long and at times arduous; a battle on many fronts. Lauren Collins, The New Yorker, "Prince Harry, Meghan Markle, and Royal Romance," 11 May 2018 Death-penalty cases are arduous for prosecutors and defense attorneys alike. Matt Ford, The New Republic, "The Trump Administration’s Death Penalty Daydream," 21 Mar. 2018 There are few shortcuts for anyone hoping to make it in ballet, but for black dancers that road has always been particularly arduous. Guillermo Perez, miamiherald, "“The Return of the Black Ballerina” and the rise of black ballet | Miami Herald," 5 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'arduous.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of arduous

1718, in the meaning defined at sense 1a

History and Etymology for arduous

Latin arduus high, steep, difficult; akin to Old Irish ard high

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Dictionary Entries near arduous







area amniotica

Statistics for arduous

Last Updated

29 Aug 2018

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Time Traveler for arduous

The first known use of arduous was in 1718

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More Definitions for arduous



English Language Learners Definition of arduous

: very difficult


ar·du·ous | \ ˈär-jə-wəs \

Kids Definition of arduous

: difficult sense 1 an arduous climb

Other words from arduous

arduously adverb working arduously

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More from Merriam-Webster on arduous

Thesaurus: All synonyms and antonyms for arduous

Spanish Central: Translation of arduous

Nglish: Translation of arduous for Spanish Speakers

Britannica English: Translation of arduous for Arabic Speakers

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a magnificent or impressive array

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