exacting

an extremely exacting usurer

living up to such exacting standards.

exacting and tiring work

Volunteers are needed for an exacting assignment.

Making a petit point pillow is exacting work.

an exacting task.See Synonyms at burdensome

His work was so exacting that by the end of the day he was worn out.

a frustrated woman bent on exacting a cruel revenge for his rejection.

Learning a new role is a long and arduous undertaking.Demanding, rigorous, and exacting imply the imposition of severe and uncompromising demands:

Ikonic art can be found throughout the Orthodox Christian faith to represent the messiah, saints and other holy figures, but it is an exacting art that few men master, let alone dabble in.