The antonyms for the word "more uncandid" are "sincere," "truthful," "frank," "straightforward," and "candid." When someone is described as "uncandid," it means they are not being honest, impartial, or straightforward in their communication. The opposite of this would be someone who speaks with complete honesty, without any attempt to deceive or misinform. Sincere communication is the key to building lasting relationships, resolving conflicts, and achieving progress. In order to be genuine, it is important to express oneself in a candid and truthful manner, without any pretense, filter, or hidden agenda. Only then can we expect others to trust and respect us.