CEFR C1

arduous

adjective

Meaning

Requiring great effort, exertion, or endurance; difficult and tiring.

Examples

The arduous journey across the desert tested the limits of the explorers' resilience.
Completing a marathon is an arduous achievement that few people manage.

Synonyms: hard, difficult, strenuous, demanding, grueling

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arduous (C1)

adjective

Pronunciation: /ˈɑːrdʒuəs/

Definition

Requiring great effort, exertion, or endurance; difficult and tiring.

Examples

The arduous journey across the desert tested the limits of the explorers' resilience.
Completing a marathon is an arduous achievement that few people manage.
She found the process of learning a new language to be arduous but ultimately rewarding.

Synonyms of arduous

Words with a similar meaning to arduous:

Antonyms of arduous

Words with the opposite meaning to arduous:

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