One who rides or travels in a vehicle, but who does not operate it and is not a member of the crew.
"The bus driver announced that any passenger standing near the front door should prepare to exit first."
In plain English: A passenger is someone who rides in a vehicle but does not drive it.
"The passenger sat quietly by the window while the car drove through the city."
Usage: A passenger is any person riding in a vehicle who neither drives nor works for the transport company. This term applies to everyone from car commuters to airline travelers who are simply being transported to their destination.
To ride as a passenger in a vehicle.
"After I dropped her off at the train station, she hopped into my car to ride as a passenger back home while I finished loading groceries."
In plain English: To passenger someone means to push them into a vehicle as a passenger.
"The driver will not let any passenger drive while we are on the highway."
Usage: In everyday usage, to pass someone means to move past them while they remain stationary or moving slowly, rather than riding in their vehicle. You would use the verb "pass" instead of "passenger" when describing the act of overtaking another person on the road.
The word passenger comes from the Old French passagier, which originally meant someone who travels or passes through. It entered English during the Middle Ages to describe a person riding in a vehicle rather than driving it.