adjective · neutral

arduous

UK/ˈɑːdjuəs/US/ˈɑːrdjuəs/AR·du·ous

Band 6-7speakingtask2

involving or requiring strenuous effort; difficult and tiring

Examples

Training for the marathon was an arduous process that tested her patience.

The expedition crossed an arduous mountain route.

Completing the thesis proved to be an arduous task.

Band 8 sentence

Completing such an ambitious research project was arduous, but the results justified the effort.

Collocations

  • an arduous task
  • an arduous journey

Word family

arduous adjectivearduously adverbarduousness noun

Common mistakes

He is very arduous.His work is arduous.

Say it for a higher band

5difficult6challenging7+arduous

Synonyms

strenuous

Easily confused

difficult

Preparing for exams can be difficult, but long-term projects are often arduous.

Related words

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In -ous

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