1. (

• fink ,
• snitch ,
• snitcher ,
• stoolpigeon ,
• stool_pigeon ,
• stoolie ,
• sneak ,
• sneaker ,
• canary ,

) someone acting as an informer or decoy for the police ;

1. (

• fink ,
• scab ,
• rat ,
• blackleg

) take the place of work of someone on strike ;

2. (

• confess ,
• squeal ,
• fink

) confess to a punishable or reprehensible deed, usually under pressure ;