Noun

1. The action of opposing something that you disapprove or disagree with
2. Any mechanical force that tends to retard or oppose motion
3. A material's opposition to the flow of electric current; measured in ohms
4. The military action of resisting the enemy's advance
5. (medicine) the condition in which an organism can resist disease
6. The capacity of an organism to defend itself against harmful environmental agents
7. A secret group organized to overthrow a government or occupation force
8. The degree of unresponsiveness of a disease-causing microorganism to antibiotics or other drugs (as in penicillin-resistant bacteria)
9. (psychiatry) an unwillingness to bring repressed feelings into conscious awareness
10. An electrical device that resists the flow of electrical current
11. Group action in opposition to those in power