n.
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
4.the military action of resisting the enemy's advance
5.(medicine) the condition in which an organism can resist disease
6.a secret group organized to overthrow a government or occupation force
7.the degree of unresponsiveness of a disease-causing microorganism to antibiotics or other drugs (as in penicillin-resistant bacteria)
8.(psychiatry) an unwillingness to bring repressed feelings into conscious awareness
9.an electrical device that resists the flow of electrical current 10.group action in opposition to those in power
Idiom of the Day
speak up for (someone or something)
to speak in favor of someone or something
The politician is always willing to speak up for the poorest people in the city.