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arduous

[ahr-joo-uh s or, esp. British, ahr-dyoo-] /ˈɑr dʒu əs or, esp. British, ˈɑr dyu-/
adjective
1.
requiring great exertion; laborious; difficult:
an arduous undertaking.
2.
requiring or using much energy and vigor; strenuous:
making an arduous effort.
3.
hard to climb; steep:
an arduous path up the hill.
4.
hard to endure; full of hardships; severe:
an arduous winter.
Origin
1530-1540
1530-40; < Latin arduus erect, steep, laborious; see -ous
Related forms
arduously, adverb
arduousness, noun
superarduous, adjective
superarduously, adverb
superarduousness, noun
unarduous, adjective
unarduously, adverb
unarduousness, noun
Synonyms
1. hard, toilsome, onerous, wearisome, burdensome, exhausting.
Antonyms
1. easy.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples for arduously
  • They laid down the things they had so arduously carried to this remote sanctum.
  • There is no position at which fans are clamoring more arduously to see a big-name free agent brought in than at wide receiver.
  • The experience and the knowledge, so arduously compiled, wanes over time and is largely forgotten by those who follow us.
  • There are always teams of individuals working arduously to address issues and problems and offer mitigations or solutions.
British Dictionary definitions for arduously

arduous

/ˈɑːdjʊəs/
adjective
1.
requiring great physical or mental effort; difficult to accomplish; strenuous
2.
hard to endure; harsh arduous conditions
3.
hard to overcome or surmount; steep or difficult an arduous track
Derived Forms
arduously, adverb
arduousness, noun
Word Origin
C16: from Latin arduus steep, difficult
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for arduously
arduous
1530s, "high, steep, difficult to climb," from L. arduus "high, steep," from PIE base *eredh- "to grow, high" (see ortho-). Metaphoric extension to "difficult" first attested 1713.
Online Etymology Dictionary, © 2010 Douglas Harper
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