Chock-a-block and Intact

Chock-a-block adverb - As completely as possible.

Intact and chock-a-block are semantically related. In some cases you can use "Intact" instead an adjective phrase "Chock-a-block".

Intact adjective - Not lacking any part or member that properly belongs to it.

Chock-a-block and intact are semantically related. Sometimes you can use "Chock-a-block" instead an adjective "Intact".