resistant

Universal Words adjective ~ (to sth) 1 not affected by sth; able to resist sth: plants that are resistant to disease * Mosquitoes are becoming resistant to insecticides. 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 seealsoHEAT-RESISTANT, WATER-RESISTANT