Definition of "impersonal"

The great tragedians of Greece reveal to us their people's exquisite sense of beauty, and their faith in an awful, an almighty, but an impersonal power, called Fate

1853, James Stephen, On Desultory and Systematic Reading: A Lecture

And now it appeared that there was a mysterious Queen clothed by rumour with dread and wonderful attributes, and commonly known by the impersonal, but, to my mind, rather awesome title of She.

1886 October – 1887 January, H[enry] Rider Haggard, She: A History of Adventure, London: Longmans, Green, and Co., published 1887