difficulty

Noun

• the quality of being difficult
  • they agreed about the difficulty of the climb
    

• 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
    

• 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
    

• 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
    

Related words

• Synonyms: 
  difficultness , trouble
• Antonyms: 
  ease , easiness , simplicity , simpleness