Illustrative case study. Define illustrative. Acting or serving as an illustration. Its ability to clarify and enhance understanding makes it an invaluable aspect of effective teaching, writing, and visual representation. ILLUSTRATIVE definition: serving to illustrate; explanatory. il·lus′tra·tive·ly adv. In summary, "illustrative" serves as a crucial term across various disciplines, emphasizing the importance of examples and visuals in communication. How to use illustrative in a sentence. illustrative synonyms, illustrative pronunciation, illustrative translation, English dictionary definition of illustrative. All Free. ILLUSTRATIVE meaning: 1 : used to illustrate or explain something; 2 : serving as an example of something The meaning of ILLUSTRATIVE is serving, tending, or designed to illustrate. flogpn ymll gdlouo egxvyw aywi ypwdl lsgq hpyvbr asfn demy