Abstract: Eclecticism is a multi-sensory language approach which involves different language learning methods rather than sticking into one approach. This research is based on teachers’ use of Eclecticism in teaching English vocabulary which is aimed at investigating how Eclecticism affects to develop English vocabulary of students who learn it as a second language. Learning vocabulary is a universal problem in second language learning. As a remedy Eclecticism was introduced to the field of language learning. The reasons behind the effectiveness of Eclecticism, vocabulary learning rate, Teachers’ use of Eclecticism in practical situations were experimented in the research. In achieving the objectives, the investigation was implemented with 100 students and 20 teachers in the North Central province of Sri Lanka.