Definition & Meaning of "arduous"

arduous

requiring so much effort, mostly physical, that will cause exhaustion

taxing to the utmost; testing powers of endurance

requiring vigorous effort, particularly on a continuous basis

arduous

big

challenging

demanding

difficult

Example

The soldiers endured an arduous march through rough terrain.

The climb up the mountain was an arduous task for the hikers.

Building the house from scratch was an arduous undertaking.

Preparing for the marathon proved to be an arduous training routine.

He found the task of moving all the furniture an arduous chore.

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