The phrase "without dissent" refers to a situation where everyone agrees and there is no disagreement. However, if we are looking for antonyms for "without dissent," we could consider words like "divided," "disagreeing," "contentious," "dissenting," "opposing," "disputatious," "fractured," or "controversial." These words all suggest a situation where there is disagreement or opposition, with people holding different views or opinions. They can be used to describe situations where consensus is difficult to achieve and where different groups are in conflict. Antonyms for "without dissent" can be useful when discussing politics, business, or any other situation where there are different stakeholders with different interests and viewpoints.