The paper presents one of the main sectors of adult education, namely university adult education. The authoress discusses theory and practice of this kind of education in the United States. She starts with explanation of how adult education is understood in the United States and what are the main differences in the meaning of it between American and European approach. Then she characterizes adult learners in the United States, their categories concerning aims of education they engage in. Finally, she enumerates and depicts forms of university adult education, distinguished by J. Polturzycki, and characterizes them on the basis of practice of one of the biggest universities in the United States, namely the University of Washington. At the end, she points to important role of the universities and university adult education in developing lifelong learning.