The phrase "said to oneself" refers to something said quietly or internally, usually without anyone else overhearing. The antonyms for this phrase, which can indicate speech that is loud, clear, or directed toward someone else, could include, proclaimed, declared, or announced. Instead of keeping one's thoughts or feelings to oneself, they are expressed boldly, loudly, and with confidence. Other relevant antonyms can include articulated, broadcasted, or vocalized, which all suggest a more assertive or deliberate manner of communication. Regardless of the situation, it is important to choose the appropriate words and tone when conveying a message effectively.