- Hard - Inconvenient - Problematic complex - Requiring effort - Tricky - Hard to do or to make; beset with difficulty; attended
with labor, trouble, or pains; not easy; arduous. - Hard to manage or to please; not easily wrought upon;
austere; stubborn; as, a difficult person.
- Excruciating - Extremely bad - Harrowing - Irritating - Sore - Full of pain; causing uneasiness or distress, either
physical or mental; afflictive; disquieting; distressing. - Requiring labor or toil; difficult; executed with
laborious effort; as a painful service; a painful march.