resistant

noun

1. A person who resists; especially a member of a resistance movement.
2. A thing which resists.

adj

1. Which makes resistance or offers opposition.
2. Which is not affected or overcome by a disease, drug, chemical or atmospheric agent, extreme of temperature, etc.

   “The infection is resistant to antibiotics.”

   “[…] suggests the dauerlarva is resistant because of non-feeding and a more resistant cuticle. Examination of the dauerlarva cuticle by thin sectioning and electron micro[…]”

3. Not greatly influenced by individual members of a sample.