[countable, uncountable] a plan that lists all the work that you have to do and when you must do each thing I have a hectic schedule for the next few days. We're working to a tight schedule (= we have a lot of things to do in a short time). Filming began on schedule (= at the planned time). The new bridge has been finished two years ahead of schedule. The tunnel project has already fallen behind schedule. We are trying desperately to keep to our schedule.