When you hear the term "queued up," you might think of a line of people waiting to enter a movie theater or amusement park. However, there are plenty of synonyms for this term that can help you mix up your vocabulary. Some alternatives include "lined up," "waiting in line," or "forming a queue." If you're looking for something a little more informal, you could say that people are "standing in line" or "getting in line." No matter which term you choose, the meaning is the same - people are waiting their turn to do something, whether it's buying tickets or getting on a ride.