resistant

Adjective (5)

1. relating to or conferring immunity (to disease or infection)Synonyms: immuneOpposite susceptibleSimilar unsusceptible, insusceptible
2. able to tolerate environmental conditions or physiological stress“the plant is tolerant of saltwater”“these fish are quite tolerant as long as extremes of pH are avoided”“the new hybrid is more resistant to drought”Synonyms: tolerantOpposite intolerableSimilar tolerable
3. impervious to being affected“resistant to the effects of heat”“resistant to persuasion”Opposite perviousSimilar impervious, imperviable
4. disposed to or engaged in defiance of established authoritySynonyms: insubordinateresistiveOpposite compliantSimilar defiant, noncompliant
5. incapable of absorbing or mixing with“a water-repellent fabric”“plastic highly resistant to steam and water”Synonyms: repellentOpposite absorbentSimilar nonabsorbent, nonabsorptive