unsusceptible

Subsidies must also be as unsusceptible to fraud or manipulation as possible.

We also identified 10 percent of children who were “dandelions,” highly unsusceptible to both of these social influences, with no clear connection between the quality of their relationships and later behavior.

That does not make him completely unsusceptible to it, however.

In the one the susceptibility of smallpox, was not taken away by previous infection, while, on the other hand some constitutions seem to be unsusceptible of smallpox infection altogether.

John could not remain unsusceptible to the antique charm of the scene, and finding an unoccupied bench he rested there in the timid sunlight.