From Longman Dictionary of Contemporary Englisharduousar‧du‧ous /ˈɑːdjuəs $ ˈɑːrdʒuəs/ adjective TRY TO DO OR GET somethinginvolving a lot of strength and effortarduous task/work the arduous task of loading all the boxes into the vanarduous journey/voyage an arduous journey through the mountains —arduously adverb
Examples from the Corpus
arduous• The original reason for early retirement was that most military jobs in days gone by were physically arduous.• In those days, long-distance travel was slow and arduous.• Niyogi had made the police's work of extortion and intimidation more arduous.• The lives of peasants are dictated by the arduous and endless cycle of their crops.• All diary recording is arduous and this was no exception.• Today, Corbett will continue his arduous climb to the top of the park's highest peak.• A walking stick is good for balance in the water and on the arduous grades.• The long, arduous journey to Bethlehem could have resulted in a miscarriage or stillbirth.• Ralph read, an arduous process.• an arduous trip through the mountainsarduous journey/voyage• She was now faced with an arduous journey into a remote country where there might well be anarchy when Menelik died.• The long, arduous journey to Bethlehem could have resulted in a miscarriage or stillbirth.Origin arduous (1500-1600) Latin arduus “high, steep, difficult” 