working in WordNet English dictionary

1. (of e.g. a machine) performing or capable of performing
   "in running (or working) order"; "a functional set of brakes"
   running  operative  functional  working 
   
2. actively engaged in paid work
   "the working population"; "the ratio of working men to unemployed"; "a working mother"; "robots can be on the job day and night"
   working  on the job 
   
3. adopted as a temporary basis for further work
   "a working draft"; "a working hypothesis"
   working 
   
4. adequate for practical use; especially sufficient in strength or numbers to accomplish something
   "the party has a working majority in the House"; "a working knowledge of Spanish"
   working 
   
5. serving to permit or facilitate further work or activity
   "discussed the working draft of a peace treaty"; "they need working agreements with their neighbor states on interstate projects"
   working 
   

1. a mine or quarry that is being or has been worked
   working  workings