Hello, you have come here looking for the meaning of the word Sullivan. In DICTIOUS you will not only get to know all the dictionary meanings for the word Sullivan, but we will also tell you about its etymology, its characteristics and you will know how to say Sullivan in singular and plural. Everything you need to know about the word Sullivan you have here. The definition of the word Sullivan will help you to be more precise and correct when speaking or writing your texts. Knowing the definition ofSullivan, as well as those of other words, enriches your vocabulary and provides you with more and better linguistic resources.