Express dissent is the act of disagreeing with a decision or opinion. It can be done in a variety of ways, such as through verbal or written communication, protest, or other forms of civil disobedience. The term 'express dissent' is often used to describe the act of speaking out against an unjust or oppressive system. The crossword solution for this term is 'OBJECT, ' which is an appropriate word to describe the action of expressing dissent. Objecting to something is a way of expressing disagreement and making one's opinion known.