Definition of "stultified"

An American sailor, who was cast away on the shore of Africa, where he was kept in slavery for three years, was, at the expiration of that period, found to be imbruted and stultified—he had lost all reasoning power; and having forgotten his native language, could only utter some savage gibberish between Arabic and English, which nobody could understand, and which even he himself found difficulty in pronouncing.

1846 , Frederick Douglass, Narrative of the Life of Frederick Douglass, an American Slave, Boston: Anti-Slavery Office

Cora only stood there, letting him talk. She may have been a stultified neophyte in the practise of her art, but at least she had the devilish ingenuity to explode an emotional bomb under Bradly's male innocence and blow its defences to tatters.

1938, Norman Lindsay, Age of Consent, 1st Australian edition, Sydney, N.S.W.: Ure Smith, published 1962, page 233