In today’s world, the number of adult English learners is increasing rapidly due to the fact that more and more adults are motivated to learn English either for study or work purposes, or even just for their own self-fulfillment. Therefore, teaching adults can offer quite a few job opportunities for teachers of English in their own country, abroad, or even on a distance-learning basis. However, teaching adults may seem more challenging, and therefore harder, to many teachers. Actually, it can be so, but it is also very fulfilling as adults are usually more highly motivated and more experienced than younger learners. Within this framework, this article will start by briefly presenting the main characteristics of adults as learners and will then move on to offering some suggestions of relevant activities.