1. (noun)resistance, opposition the action of opposing something that you disapprove or disagree with
"he encountered a general feeling of resistance from many citizens"; "despite opposition from the newspapers he went ahead"
2. (noun)resistance any mechanical force that tends to retard or oppose motion
3. (noun)electric resistance, electrical resistance, impedance, resistance, resistivity, ohmic resistance a material's opposition to the flow of electric current; measured in ohms
4. (noun)resistance the military action of resisting the enemy's advance
"the enemy offered little resistance"
5. (noun)immunity, resistance (medicine) the condition in which an organism can resist disease
6. (noun)resistance the capacity of an organism to defend itself against harmful environmental agents
"these trees are widely planted because of their resistance to salt and smog"
7. (noun)underground, resistance a secret group organized to overthrow a government or occupation force
8. (noun)resistance the degree of unresponsiveness of a disease-causing microorganism to antibiotics or other drugs (as in penicillin-resistant bacteria)
9. (noun)resistance (psychiatry) an unwillingness to bring repressed feelings into conscious awareness
10. (noun)resistor, resistance an electrical device that resists the flow of electrical current
11. (noun)resistance group action in opposition to those in power