1. A young woman who is employed
   "The working girl balanced her job and evening classes"
    
2. [vulgar, informal] Someone, esp. a woman, who engages in sexual intercourse for money
   "The historical novel depicted the life of a working girl in Victorian London";
   - prostitute [informal], cyprian [archaic, informal], prozzie [slang], wench [archaic], trull [archaic]

Derived forms: working girls

Type of: adult female, fille, girl, miss, missy [informal], woman, worker, young lady, young woman