Dead to the world and Under-the-table

Under-the-table and dead to the world are semantically related. In some cases you can replace phrase "Under-the-table" with "Dead to the world", this phrases are similar.

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

Dead to the world and under-the-table are semantically related. Sometimes you can use "Dead to the world" instead an adjective phrase "Under-the-table".