Antonyms for the word "un-impressed" would include words like "impressed," "enchanted," "enthralled," "captivated," "fascinated," "awestruck," "overwhelmed," "intrigued," "amazed," "charmed," "dazzled," "delighted," "enchanted," "bewitched," and "appeased." These words denote a sense of admiration, wonder, and fascination. When someone is "impressed," they have found something to be noteworthy, remarkable, or of high quality. They may have been amazed by something's beauty, captivated by its charm, or overwhelmed by its grandeur. Antonyms for "un-impressed" highlight the range of emotions people can experience when confronted with something they find noteworthy, remarkable, or beautiful.