"Got one's chest" refers to speaking out about one's feelings or opinions. The antonyms for this phrase can be "held back," "silenced," "repressed," "suppressed," or "concealed." When we don't "get something off our chest," we may feel tense, anxious or uncomfortable. It's always beneficial to speak out as it helps us to have a clear mind and stable emotional well-being. Antonyms for "got one's chest" can indicate the fear of speaking out, fear of judgment or fear of consequences. Practicing honesty can be a powerful way to live our lives, share ourselves with others, and improve our relationships.