The phrase "plays it close to the vest" means to keep one's thoughts, feelings, or intentions hidden, often in a strategic or secretive manner. Antonyms for this phrase include being open, transparent, forthright, candid, and transparent. Someone who is open is willing to share their thoughts and feelings with others, and is not afraid to be vulnerable. Transparency implies that everything is on the table, and there are no hidden agendas or secrets kept. Being forthright means that one speaks the truth, regardless of how it might be received. The opposite of someone who plays it close to the vest might also be someone who is extroverted, social, and expressive with their feelings.