Meaning of “arduous” in the English Dictionary

"arduous" in British English

See all translations

arduousadjective

uk /ˈɑː.dʒu.əs/ us /ˈɑːr.dʒu.əs/
arduously
adverb uk /ˈɑː.dʒu.əs.li/ us /ˈɑːr.dʒu.əs.li/
arduousness
noun [ U ] uk /ˈɑː.dʒu.əs.nəs/ us /ˈɑːr.dʒu.əs.nəs/

(Definition of “arduous” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"arduous" in American English

See all translations

arduousadjective

us /ˈɑr·dʒu·əs/

difficult and tiring, or needing a great deal of effort:

In those days, a trip to the West was an arduous journey.

(Definition of “arduous” from the Cambridge Academic Content Dictionary © Cambridge University Press)