The antonyms for the word "more seducing" could be "unappealing," "unattractive," or "repelling." These words refer to something that lacks charm or allures, and therefore does not attract or entice. "Uninviting," "unexciting," "uninspiring," and "off-putting" are some other words that can be used as antonyms for "more seducing." These words connote negativity and unattractiveness, giving a direct opposite meaning of being appealing, charming, or enticing. It's important to note that choosing the right words will effectively communicate the intended tone or message, and prevent confusion or misunderstandings.