adj, noun ·Common ·High school level

Definitions

Noun

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

Adjective

1. 1
   Which makes resistance or offers opposition.
2. 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."

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

Adjective

1. 1
   incapable of absorbing or mixing with wordnet
2. 2
   disposed to or engaged in defiance of established authority wordnet
3. 3
   impervious to being affected wordnet
4. 4
   relating to or conferring immunity (to disease or infection) wordnet
5. 5
   able to tolerate environmental conditions or physiological stress wordnet

Synonyms

All synonyms

imperviousagainstairtightantagonisticantipatheticat odds

Antonyms

All antonyms

sensitivesoftsusceptible

Example

More examples

"These plants are resistant to weed killers."

Etymology

From French résistant; equivalent to resist + -ant.

Related phrases

acid-resistantfamine resistantfire-resistantgastro-resistantheat resistantheat-resistantmulti-resistantquantum-resistantresistant materialswater-resistant

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.