The term "express train" is usually associated with speed, efficiency, and an uninterrupted journey. However, there are a number of antonyms for this phrase that capture different meanings and nuances. One antonym is "local train," which is a slower train that stops at every station along the route. Another antonym is "slow train" or "passenger train," which operates at an even slower pace and often has a wider range of stops. A further antonym would be "stopping train," which is similar to a local train in that it stops at every station, but may also make additional stops along the way. These antonyms highlight the diversity of train travel and the various experiences that can be had on different types of trains.