arduous

Definition

Demanding a lot of effort, labor, or energy, often because it is difficult or challenging.

हिन्दी बहुत अधिक प्रयास, श्रम या ऊर्जा की मांग करना, अक्सर यह कठिन या चुनौतीपूर्ण होने के कारण

Example

"The arduous hike up the mountain was exhausting, but the view from the top was breathtaking."