Jam and Queue

Jam noun - A crowded mass (as of cars) that impedes or blocks movement.

Queue and jam are semantically related in tailback topic. In some cases you can use "Queue" instead a noun "Jam".

Nearby Word: jamming

Queue noun - A series of persons or things arranged one behind another.

Jam and queue are semantically related in traffic jam topic. Sometimes you can use "Jam" instead a noun "Queue".

Nearby Words: queued, queuing