Arduous

Requiring a lot of hard work and effort; something that is difficult and can make you feel tired, like climbing a steep hill or studying for a big test.

Examples

• The arduous task of completing a science project often requires teamwork and patience, as we must gather information, conduct experiments, and present our findings to the class.
• Running a marathon can be an arduous challenge, but with dedication and training, athletes learn to push through their limits and achieve personal goals they once thought impossible.
• After an arduous week of studying for exams, I finally felt a sense of relief when I turned in my last test and could enjoy some well-deserved relaxation with my friends.

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