The word "most taunting" means causing extreme teasing, mockery, or provocation. Its antonyms would be words that describe the opposite of that. For instance, "kind" would be a fitting antonym since it is the opposite of cruel, which is often associated with taunting. On the other hand, "encouraging" or "supportive" are also excellent choices since they imply positivity and affirmation rather than negativity and ridicule. Other antonyms could be "polite," "courteous," "empathetic," and "sympathetic," all of which convey respect and understanding, rather than contempt and offense. The opposite of "most taunting" is a term that carries encouragement or support.