Arduous

adjective

/ˈɑːdjuːəs/

Word Frequency: 2.0

Definitions

1.adjectiveNeeding or using up much energy; testing powers of endurance.

"The movement towards a peaceful settlement has been a long and arduous political struggle."

2.adjectiveBurning; ardent

3.adjectiveDifficult or exhausting to traverse.

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