Abstract:
This study aims at exploring the effectiveness of incidental vocabulary learning strategies. The study focuses on the strategies of learning vocabulary in enhancing the students' performance in English language. The study adopts descriptive analytical method in order to elaborate and analyze the cause of the problem via statistical analysis of the gathered data. The researchers assume that learners can easily acquire vocabulary whenever they interact with each other. The sample of the study consists of 30 Sudanese university students’ learners of English, from Sudan University of Science and Technology (SUST). Thus in order to collect the necessary data, the researchers design a questionnaire as main tool of this study . The researchers analyze the data by using Statistic Packages for Social Sciences Programme (SPSS) . Based on the analysis and the results obtained, the study reveals that learners who acquire vocabulary communicatively score significantly high and can easily acquire vocabulary incidentally when they interact with each other. Incidental word learning enhances students' ability to acquire word meaning incidentally from written texts. The study recommends that learners have to be motivated through inserting new words in a variety of situation