A person who opposes a revolution and attempts to reverse the changes made by it.

plural of counteraction

In a way that counteracts.

plural of counteracter

Something that counteracts.

A march back along the same route

To march back along the same route

(pharmacology) Any substance used to cause inflammation in one part of the body with the goal of lessening inflammation elsewhere.

A work that strongly refutes or criticises another.

Something that vies for the attention of a person or thing in competition with something else; a rival for preference.