"Raise one's voice" is a common expression that means to shout or speak loudly, usually in anger or frustration. There are many synonyms for this phrase, including "yell," "shout," "holler," "bellow," and "scream." Other similar phrases include "get loud," "raise a ruckus," "let loose," "blow one's top," and "fly off the handle." These phrases are often used in situations where someone is expressing strong emotions or trying to assert themselves in a conversation. Regardless of which phrase you choose, it's important to remember that speaking calmly and respectfully is usually more effective in resolving conflicts and communicating your needs.