Dehumanization means treating people as if they are less than human, taking away their dignity and rights. It means considering others as objects or animals rather than recognizing their feelings, thoughts, and worth as human beings. Full definition
(If that sort of dehumanization of black people was the film's intention, then it has another problem altogether.) (vox.com)
Therese Walsh explores dehumanization in fiction using one of my favourite movies, The Shawshank Redemption. (melaniemarttila.ca)
Most damning of all, America has become the very embodiment of that alienation, anomie, and dehumanization which is the curse of existence in a highly technological and urban society (Heidegger has remarked that, metaphysically speaking, America and Russia are the same, for here «time as history» has vanished from human life). (religion-online.org)