The antonyms for the word "unappealing" are numerous and can vary depending on the context of its usage. Some of the words that can be used as its antonyms include attractive, appealing, captivating, charming, delightful, engaging, enchanting, alluring, and irresistible. Whereas the term "unappealing" denotes something that is not attractive or does not interest someone; its antonyms reflect the opposite qualities. Thus, these words can help convey a sense of positivity, appeal, and desire. For example, an alluring fragrance, a captivating performance, or an engaging story are some of the antonyms for something that is "unappealing.