difficulty

nouns

an effort that is inconvenient
"I went to a lot of trouble"; "he won without any trouble"; "had difficulty walking"; "finished the test only with great difficulty"
difficulty, trouble
a factor causing trouble in achieving a positive result or tending to produce a negative result
"serious difficulties were encountered in obtaining a pure reagent"
difficulty
is a type of (narrower)
something immaterial (as a circumstance or influence) that contributes to producing a result
cognitive factor
a condition or state of affairs almost beyond one's ability to deal with and requiring great effort to bear or overcome
"grappling with financial difficulties"
difficulty
is a type of (narrower)
a state at a particular time
"a condition (or state) of disrepair"; "the current status of the arms negotiations"
condition, status
the quality of being difficult
"they agreed about the difficulty of the climb"
difficultness, difficulty
antonym
ease