Stockholm syndrome noun 1verb 1forms 3 noun1 •A psychological condition in which a hostage emotionally bonds to their captor.You're suffering from what humans call Stockholm Syndrome: you have bonded with your captors. — 2001 verb1 •(informal) To cause someone to become affected by Stockholm syndrome.The girls, it turns out, found the experience oddly positive, and not because they were brainwashed or Stockholm syndromed. — 2015 formsStockholm syndromed · Stockholm syndroming · Stockholm syndromes