To "break silence" refers to an action that ends a period of silence or secrecy. Its antonyms are words that describe actions related to speaking or making noise. Some examples include: "speaks up," "voices opinion," "begins conversation," "shares information," "reveals truth," "opens up," "confesses," "admits," "discloses," "unveils," "shouts out," "declares," "announces," "proclaims," and "expresses oneself." These antonyms imply a sense of openness, honesty, and communication. They indicate an active effort to engage with others and to express one's thoughts, feelings, and beliefs.