contraband

anything that is against the law to buy or sell

contradict

to express the opposite

contrarian

a person who thinks differntly from other people; a person who does the opposite of what is expected

contrary

completely different; opposite in nature, opinion, or action

contrast

to look at different things to see how they are opposites or not related

counterbalance

a weight used to balance an opposite weight

counterclockwise

in the direction that is opposite of direction the hands on the clock move

counterexample

an example used to support a claim or statement that is the opposite of another claim or statement

counterfeit

being the opposite of real; fake or artificial

counterintuitive

goes against your gut feeling or common sense