Abstract:
This study aims to investigate the role of vocabulary in developing EFL students' writing skills. The sample of the study consists of 10 teachers and 30 students of secondary school in Omdurman Locality. The main findings of this study are; students are not aware of many problems concerning vocabulary, students are not aware of vocabulary learning strategies and poor vocabulary negatively influences EFL writing. The researcher recommended that students must be aware of many problems concerning vocabulary, students must be aware of vocabulary learning strategies and teachers should focus on teaching vocabulary.
