Keep up with Definition 1 of 3Pro Tip 1/3Competitive Context Used in situations involving competition or comparison in progress and speed. She's training hard to keep up with the other athletes. Pro Tip 2/3Group Activities Often used when someone tries to match the pace or level of a group. During the tour, try to keep up with the guide and the rest of the group. Pro Tip 3/3Not Literal Can be used metaphorically, not just for physical speed. You need to keep up with the class if you miss a lecture.