The antonyms for "un-truth" refer to words that signify something that is true, factual, and accurate. Words like "fact," "truth," "veracity," "accuracy," "authenticity," and "certainty" are some of the closest antonyms to "un-truth." These words are often used to express the opposite of a lie or anything that is false, misleading, or deceptive. Using the right antonym can help to clarify misunderstandings and provide accurate and reliable information. By using these antonyms, we can promote honesty, transparency, and accountability, which are crucial components of building trust and fostering healthy relationships in all aspects of life.