This, in truth, his neighbours might have pardoned, seeing that saints have never flourished in those parts, but there was in him a certain wanton and cruel humour which made his name a byword through the West.
I remembered the case well, for it was one in which Holmes had taken an interest on account of the peculiar ferocity of the crime and the wanton brutality which had marked all the actions of the assassin.
There are no more uses of "wanton" in the book.
Show samples from other sources
She is known for wanton behavior.
The ability to see beauty is the beginning of our moral sensibility. What we believe is beautiful we will not wantonly destroy.