nonsusceptivity

Example:The patient had a high susceptibility to certain medications, which made the dosage required very low.

Definition:The state of being capable of being affected by external influences, especially by diseases or poisons.

Example:She had a sensitivity to the cold weather, which made her often feel chilly.

Definition:An inclination to react in a sensitive or easily affected manner to a particular influence or condition.

Example:The nations with low security investments were highly vulnerable to terrorist attacks.

Definition:The quality or state of being susceptible to being hurt, damaged, or attacked; the state of being unguarded.