1. Covered with or having scabs
   "The scabbed wound was healing slowly"
    
2. [informal] (of workers) acting as strikebreakers, especially in a derogatory sense
   "The scabbed workers crossed the picket line"

1. Form a scab
   "the wounds will eventually scab"
    
2. Take the place of work of someone on strike
   "The company hired scabs to keep operations running during the strike";
   - fink [N. Amer, informal], rat [informal], blackleg [Brit]

Type of: heal, mend, work

Encyclopedia: Scab