Main entry: trouble, difficulty
Definition: an effort that is inconvenient
Usage: I went to a lot of trouble; he won without any trouble; had difficulty walking; finished the test only with great difficulty
Main entry: difficultness, difficulty
Definition: the quality of being difficult
Usage: they agreed about the difficulty of the climb
Main entry: difficulty
Definition: a factor causing trouble in achieving a positive result or tending to produce a negative result
Usage: serious difficulties were encountered in obtaining a pure reagent
Main entry: difficulty
Definition: a condition or state of affairs almost beyond one's ability to deal with and requiring great effort to bear or overcome
Usage: grappling with financial difficulties