Jam-packed and Up to the hilt

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

Up to the hilt and jam-packed are semantically related In some cases you can use "Up to the hilt" instead an adjective phrase "Jam-packed".

Jam-packed and up to the hilt are semantically related in full topic. You can use "Jam-packed" instead an adjective phrase "Up to the hilt", if it concerns topics such as busy.