Urdu Translation: نہایت مشکل، مشقت طلب، تھکا دینے والا۔ Meaning: Arduous means something that requires a lot of effort, energy, and hard work. It is used for tasks, journeys, or processes that are physically or mentally demanding. In academic and professional contexts, it describes challenges that require persistence and endurance. Competitive exams frequently include it in vocabulary sections to test understanding of difficulty levels. Example sentence: “Climbing the steep mountain trail was an arduous journey that tested every hiker’s endurance.” Other Synonyms: laborious, strenuous, difficult, tough, exhausting, challenging, grueling, taxing, demanding, tiring, burdensome. Usage Insight: The word emphasizes sustained effort over time rather than a simple difficulty.