1. (

• 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" ;

2. (

• 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" ;

3. (

• 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" ;

4. (

• difficulty ,
• difficultness

) the quality of being difficult; "they agreed about the difficulty of the climb" ;