task

Noun

• a specific piece of work required to be done as a duty or for a specific fee
  • estimates of the city's loss on that job ranged as high as a million dollars
    
  • the job of repairing the engine took several hours
    
  • the endless task of classifying the samples
    
  • the farmer's morning chores
    

• any piece of work that is undertaken or attempted
  • he prepared for great undertakings
    

Verb

• use to the limit
  • you are taxing my patience
    

• assign a task to
  • I tasked him with looking after the children
    

Related words

• Synonyms: 
  job , chore , undertaking , project , labor , tax