insusceptible

We speak of persons as susceptible or insusceptible to music as we speak of good and poor conductors of electricity; and the analogy implied here is particularly apt and striking.

From How to Listen to Music, 7th ed. Hints and Suggestions to Untaught Lovers of the Art by Henry Edward Krehbiel

I am sure that he would be very insusceptible to proper domestic influences.

From Patsy by S. R. (Samuel Rutherford) Crockett

Seen in the afternoon when the setting sun is casting long shadows over the landscape, the scene in the Tjidani Valley is calculated to arouse the artistic senses of the most insusceptible.

From Across the Equator A Holiday Trip in Java by Thomas H. Reid

Against this claim, Grotius attempted to shew that the sea was, from its nature, insusceptible of exclusive right; and that, if it were susceptible of it, England did not prove her title to it.

From The Life of Hugo Grotius With Brief Minutes of the Civil, Ecclesiastical, and Literary History of the Netherlands by Charles Butler

One is, to use non-humanized lymph, since the lower animals are insusceptible to syphilis.1 This is simple.

From A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases by Various