Abstract:
The study aimed to investigate the impact of extensive reading on improving Sudanese university students' vocabulary learning. Vocabulary is very important for students to practise the language as a mean of communication. Therefore, extensive reading is one of vocabulary learning strategies as extensive reading enables students to enrich their vocabulary and to overcome the difficulties and their weakness of vocabulary .The researcher used descriptive analytical method to achieve the objectives and aims of the study and questionnaire is used as tool for data collection which showed the opinions and views of students .The population of the study was chosen from students who are studying in the second year, college of Languages – English language section at Sudan University of Science and Technology. The study findings showed the importance of extensive reading for learning and improving vocabulary and it is an effective way for learning vocabulary, in addition to the skills and techniques that are important students to learn language. So, the researcher recommended students to read extensively in order to widen their choices for improving their vocabulary and to overcome the weakness of vocabulary as extensive reading encourages and help them to avoid the boredom of reading process.