The phrase "tight lipped" refers to someone who is unwilling to speak or reveal information. Its antonyms include "loquacious," "talkative," "chatty," and "garrulous." When someone is talkative, they tend to speak openly and freely, sharing their thoughts and feelings without hesitation. The word "chatty" refers to someone who enjoys talking, especially in a friendly and informal way. Someone who is garrulous, on the other hand, talks excessively and often about trivial things. These antonyms of "tight lipped" convey a sense of openness and willingness to communicate, qualities that are the opposite of someone who is tight-lipped or secretive.