Full up and Jam-packed

Jam-packed and full up are semantically related. in full topic. In some cases you can use "Jam-packed" instead an adjective phrase "Full up", when it comes to topics like busy.

Jam-packed adjective - Containing or seeming to contain the greatest quantity or number possible.

Full up and jam-packed are semantically related. You can use "Full up" instead an adjective phrase "Jam-packed".