User/ˈjuːzər/ Definition 1 of 4Pro Tip 1/2Broad Context The term 'user' applies to many situations from libraries to gym equipment. As a gym user, he spends a lot of time on the treadmill. Pro Tip 2/2User's Purpose 'User' can indicate a level of skill or frequency of use. Being an experienced user of this software, she quickly completed the task.