unsensuous

I believe that the women who make mischief in the way you mention are your unsensuous and passionless ones -- that the perfect flirt, single or married, must be a perfectly cold woman, because it is only one of such a temperament who can thus trifle with others without danger to herself.

The International Monthly, Volume 2, No. 4, March, 1851 Various

It was Yaverland's opportunity, for he had spent two years as chemist at the Romanones mines in Andalusia; and he had learned by now the art of talking to the Scotch, whom he had discovered to be as extravagantly literate as they were unsensuous.

The Judge Rebecca West 1937

It is always absurd when that pert and ferocious dance, invented by an unsensuous race inordinately and mistakenly vain of its knees, is performed by a graceful girl; and Ellen added to that incongruity by dancing languorously, passionately.

The Judge Rebecca West 1937

Indeed Elizabeth was the antithesis in physical appeal of the gentle Gulab; the drawing-room perhaps; repartee of Damascus steel fineness; tutored polish, class, cold integrity -- these things associated admirably with the unsensuous Elizabeth.

Caste William Alexander Fraser 1896

Nothing but beauty ever lifted people higher ” the unsensuous, inexplicable charm, which makes them ashamed of dull, ugly, greedy, quarrelsome ways.

Father Payne Benson, Arthur C. 1915