difficult

adjective

1. not easily or readily done; requiring much labor, skill, or planning to be performed successfully; hard: a difficult job.
2. hard to understand or solve: a difficult problem.
3. hard to deal with or get on with: a difficult pupil.
4. hard to please or satisfy: a difficult employer.
5. hard to persuade or induce; stubborn: a difficult old man.
6. disadvantageous; trying; hampering: The operation was performed under the most difficult conditions.
7. fraught with hardship, especially financial hardship: We saw some difficult times during the depression years.

adjective

1. not easy to do; requiring efforta difficult job
2. not easy to understand or solve; intricatea difficult problem
3. hard to deal with; troublesomea difficult child
4. not easily convinced, pleased, or satisfieda difficult audience
5. full of hardships or trialsdifficult times ahead