adjective🔗ShareNeeding or using up much energy; testing powers of endurance."The movement towards a peaceful settlement has been a long and arduous political struggle."energyabilityachievementChat with AIVocabulary GamePractice Reading
adjective🔗ShareBurning; ardent"The arduous task of preparing for the exam kept her awake late into the night. "energyqualityChat with AIVocabulary GamePractice Reading
adjective🔗ShareDifficult or exhausting to traverse."The trek through the mountains was arduous, taking several days of constant climbing. "abilityqualityChat with AIVocabulary GamePractice Reading
