- trouble, difficulty - 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"
--1 is a kind of effort, elbow grease, exertion, travail, sweat
--1 has particulars: the devil; tsuris - difficulty - 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"
--2 is a kind of cognitive factor
--2 has particulars:trouble, problem; facer; killer; pisser; pitfall, booby trap; snorter; hindrance, deterrent, impediment, balk, baulk, check, handicap; wrinkle - difficulty - 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"
--3 is a kind of condition, status
--3 has particulars:bitch; predicament, quandary, plight; rattrap; pinch; fix, hole, jam, mess, muddle, pickle, kettle of fish; hard time, rough sledding; stress, strain; problem, job; situation; urinary hesitancy; wall - difficulty, difficultness - the quality of being difficult; "they agreed about the difficulty of the climb"
--4 is a kind of quality
Antonyms: ease, easiness, simplicity
--4 has particulars: - difficulty - 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"