The word "captivating" is often used to describe something that is attractive or fascinating. However, there are occasions where we may want to express the opposite of "more captivating." In such cases, we may use antonyms such as dull, unappealing, tedious, uninteresting, bland, and uninspiring. These words indicate that the thing in question is lacking in charm or interest, and fails to engage or hold our attention. Antonyms can help us to convey a variety of emotions, and give us a more nuanced way of describing the world around us.