Misleading, meaning to give false or confusing information, can be the antonym of truthful or honest. Alternatively, it could be seen as the opposite of clear, unambiguous or straightforward. In addition, misleading can be in contrast to informative or factual, as it conveys a lack of accuracy or truthfulness. An antonym for misleading could also be transparent, which suggests an honest and open communication style. Similarly, candid or frank could be seen as the opposite of misleading, implying complete honesty and clarity in what is being communicated. Overall, antonyms for misleading would center around honesty, clarity, and accuracy, which are qualities that are essential to building trust and maintaining integrity.