Unresistible is a word used to describe something that cannot be resisted or refused. Some synonyms for unresistible include irresistible, alluring, tempting, captivating, and enchanting. These words all describe something that is tempting and difficult to resist. Other synonyms for unresistible include entrancing, captivating, and beguiling. These words all describe something that is captivating and catches your attention. Unresistible is an adjective that can be used to describe a person, place, or thing, and can be used in a variety of contexts. When looking for words to describe something that is difficult to resist, there are many synonyms to choose from which can suit different scenarios.