Playing close to the vest is a common idiom used to describe individuals who are secretive and don't reveal much about themselves. In antithesis to this phrase, some antonyms can be used to describe individuals who are open, expressive, and honest. For instance, some opposites of playing close to the vest could be: wearing one's heart on one's sleeve, bearing all, and being an open book. Other antonyms include being transparent, forthright, candid, or communicative. On the contrary, playing close to the vest is commonly associated with individuals who are deceptive, untrustworthy, and unapproachable. By embracing the antonyms of the phrase, individuals can present themselves as transparent, forthcoming, and trustworthy.