Metonymy is a type of figurative language that plays an important role in everyday communication as well as in literary work . It helps us to express ourselves effortlessly as it provides a mental access to entities or objects . The main aim of this study is to investigate fourth-year students production of metonymy at the College of Education for Humanities and the College of Arts in the academic year 2020_2021 . A diagnostic test is used in order to investigate students production of metonymy . The test is applied to some students chosen randomly . Analysis , discussion and commentary are also presented based on statistical methods . Findings show that students have major problems concerning the production of metonymic words.