1. Someone acting as an informer or decoy for the police
   "The fink provided crucial information that led to the arrest of the drug dealer";
   - snitch [informal], snitcher [informal], stoolpigeon [informal], stool pigeon [informal], stoolie [N. Amer, informal], sneak [informal], canary [N. Amer], grass [Brit, informal], snout [Brit, informal]

1. Admit to the truth, particularly in the context of sins or crimes committed
   "The suspect finally finked about his involvement in the robbery";
   - confess, squeal
    
2. Take the place of work of someone on strike
   "The company hired finks to keep operations running during the strike";
   - scab, rat [informal], blackleg [Brit]

Derived forms: finked, finking, finks

Type of: acknowledge, admit, betrayer, blabber [informal], informer, rat [informal], squealer, work

Encyclopedia: Fink, Mike