Pronunciation: /ˈɑrdʒuəs/
adjective involving or requiring strenuous effort; difficult and tiring
A1 Learning a new language can be arduous, but with practice, it becomes easier.
A2 The arduous task of studying for exams paid off when I passed with flying colors.
B1 The hikers faced an arduous journey up the steep mountain trail.
B2 Writing a thesis can be an arduous process that requires dedication and perseverance.
C1 The arduous negotiations between the two countries finally resulted in a peace agreement.
C2 The arduous training regimen of the Olympic athlete paid off with a gold medal win.
formal The arduous task of completing the research project required months of dedicated effort.
informal It was an arduous journey to reach the mountain peak, but the view was worth it.
slang I can't believe how arduous that workout was, I'm totally wiped out.
figurative Overcoming the loss of a loved one can be an arduous emotional journey.
arduously
arduouses
more arduous
most arduous
arduous
will be arduous
has been arduous
is being arduous
arduous
arduous
to be arduous
arduously
arduing