/ rɪˈzɪstənt; NAmE / adjective resistant (to sth)
1.
not affected by sth; able to resist sth :
plants that are resistant to disease
2.
opposing sth and trying to stop it happening :
Elderly people are not always resistant to change.
3.
-resistant (in adjectives) not damaged by the thing mentioned :
disease-resistant plants
fire-resistant materials
—see also heat-resistant , water-resistant