ABSTRACT Syifa, Yahya Ibnu. (2024). The Effectiveness Of Using Guessing Game In Teaching Vocabulary To The Fifth Grade Students Of SDN Borobudur 1. An Undergraduate Thesis. English Department. Faculty of Education and Teacher Training, Tidar University. Advisor 1 Rini Estiyowati Ikaningrum, M.Pd. Advisor 2 Winda Candra Hantari, S.S., M.A. Keywords: Vocabulary, Guessing Game, Elementary Scho…