arduous
[ ahr-joo-uhs or, especially British, ahr-dyoo- ]
/ ˈɑr dʒu əs or, especially British, ˈɑr dyu- /
adjective
requiring great exertion; laborious; difficult: an arduous undertaking.
requiring or using much energy and vigor; strenuous: making an arduous effort.
hard to climb; steep: an arduous path up the hill.
hard to endure; full of hardships; severe: an arduous winter.
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Origin of arduous
1530–40; <Latin arduus erect, steep, laborious; see -ous
SYNONYMS FOR arduous
OTHER WORDS FROM arduous
Words nearby arduous
Ardipithecus ramidus, Ardmore, ardor, ardour, ARDS, arduous, are, area, Area 51, area bombing, area code
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Example sentences from the Web for arduous
British Dictionary definitions for arduous
arduous
/ (ˈɑːdjʊəs) /
adjective
requiring great physical or mental effort; difficult to accomplish; strenuous
hard to endure; harsharduous conditions
hard to overcome or surmount; steep or difficultan arduous track
Derived forms of arduous
arduously, adverbarduousness, nounWord Origin for arduous
C16: from Latin arduus steep, difficult
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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