Buttoned up and Under-the-table

Under-the-table and buttoned up are semantically related. In some cases you can use "Under-the-table" instead an adjective "Buttoned up".

Under-the-table adjective - Designed and carried out secretly or confidentially.

Buttoned up and under-the-table are semantically related. Sometimes you can use "Buttoned up" instead an adjective phrase "Under-the-table".