adjective requiring or involving great effort or energy; arduous
In the field of physical fitness, strenuous exercise is often recommended to improve strength and endurance.
Military training often includes strenuous physical and mental challenges to prepare soldiers for combat situations.
Strenuous hiking trails are popular among outdoor enthusiasts seeking a challenging experience in nature.
Some academic programs require strenuous coursework to ensure students are challenged and prepared for their future careers.
A writer may face strenuous deadlines to complete articles, books, or scripts on time while maintaining high quality.
Psychologists may experience strenuous workloads when dealing with multiple clients, complex cases, and extensive research requirements.
Athletes often engage in strenuous training sessions and competitions to maintain peak performance and achieve their goals.
Construction workers perform strenuous physical labor on a daily basis, often in challenging weather conditions and demanding environments.
Surgeons face strenuous surgical procedures that require precision, focus, and endurance to ensure successful outcomes for their patients.