ardous ( synonym found)
Definition of ardous:

°Needing or using up much energy; testing powers of endurance.
"The movement towards a peaceful settlement has been a long and arduous political struggle."
°Hard to climb.
Definition of ardous:

°Needing or using up much energy; testing powers of endurance.
"The movement towards a peaceful settlement has been a long and arduous political struggle."
°Hard to climb.
Back to Top