Put in shackles is a term used to describe the act of enslaving someone. ENSLAVE, enfetter, FETTER, and ENSLAVED are all related terms that can be used to describe this action. ENSLAVE is a 7-letter word meaning to make someone a slave or to subject them to servitude. Enfetter is an 8-letter word meaning to put in chains or fetters. FETTER is a 6-letter word meaning to put in chains or fetters. ENSLAVED is an 8-letter word meaning to make someone a slave or to subject them to servitude. All of these words can be used to describe the act of putting someone in shackles.