difficultyсуществительное The state or quality of being difficult; the fact of being hard to do, understand, or deal with. She faced great difficulty in solving the complex math problem.
A problem or obstacle that makes something more challenging. The main difficulty in the project was the lack of resources.
Problems or hardships that make a situation harder to deal with, especially in the plural. He encountered financial difficulties after losing his job.
The degree to which something is challenging. The puzzle's difficulty increases with each level.