v. i. To become brutal, inhuman, barbarous, or coarse and beasty. [ R. ] [ 1913 Webster ]
He mixed . . . with his countrymen, brutalized with them in their habits and manners. Addison. [ 1913 Webster ]
v. t. [ imp. & p. p. Brutalized p. pr. & vb. n. Brutalizing. ] [ Cf. F. brutaliser. ] To make brutal; beasty; unfeeling; or inhuman. [ 1913 Webster ]