Lack of motivation may cause teachers to be less successful in teaching a foreign language. Unreasonable demands of administrators, discouraging team spirit, neglecting rewards, financial problems and many others are factors related to demotivation. This paper examines the factors that English teachers, at the university level,especially An-Najah University, find demotivating and lead to stress, teacher burnout, lack of interest, lack of accomplishment,

emotional exhaustion, dissatisfaction and consequently affect their performance and

achievement. Based on the results of this research recommendations are provided for the teachers and the administrators.