When it comes to voting, there are various ways to express your decision - and sometimes, it doesn't always have to be in agreement. If you don't approve of a certain proposal or candidate, you can vote negatively. However, there are several synonyms for this particular phrase that could help you articulate your stance more effectively. These include casting a dissenting vote, expressing opposition, voting against, objecting, or disapproving. All of these phrases convey the sentiment of voting negatively and can be used interchangeably to convey dissatisfaction with a particular option. Ultimately, using the right synonym can help you communicate your views more precisely and effectively.