Take a stand.
[Idiom] TAKE A STAND. - How to Stand Firm and Express Your Opinions Confidently!
Assert a position firmly.
When someone decides to "take a stand," they are choosing to firmly hold their position on an issue, often in the face of opposition. Visualize yourself at a town hall meeting, standing up to speak out against a decision that affects your community adversely—that's taking a stand; resolute and bold.
Example Sentences
He decided to take a stand against bullying in school.
He decided to oppose bullying in school.
It’s time to take a stand on environmental issues.
It is time to oppose issues harming the environment.
During the meeting, she took a stand, stating firmly that the company must adopt more ethical practices.
During the meeting, she firmly stated that the company must adopt more ethical practices.