A synonym is a word or phrase that has the same or nearly the same meaning as another word or phrase in the same language. It is important to use synonyms because they help to enhance the writing quality and provide readers with a crisp and unique outlook of the text. Furthermore, it can also improve both oral and writing skills, as explained ahead. However, exploring synonyms can be a handy and unique approach. This study is an attempt to investigate synonymy in business English. It is expected that the findings of the study will help learners gain useful insight into the formation, characteristics and classification of synonyms, therefore they can convey information more accurately and effectively.