"Played close vest" is a phrase commonly used to describe someone who is secretive or guarded in their actions, thoughts, or words. The antonyms for this phrase can be a variety of words that denote openness, transparency, and honesty. Some of the antonyms for "played close vest" include forthcoming, candid, open, transparent, trustworthy, frank, honest, forthright, and communicative. These words can be used to describe an individual who is open and honest about their intentions, feelings, and opinions. Such individuals are known to be communicative and trustworthy, making them dependable and reliable in both personal and professional spheres of life.