All in all and In the altogether

All in all adverb - With everything considered (and neglecting details).

In the altogether and all in all are semantically related. In some cases you can use "In the altogether" instead an adjective phrase "All in all".

In the altogether adjective - (used informally) completely unclothed.

All in all and in the altogether are semantically related. Sometimes you can use "All in all" instead an adjective phrase "In the altogether".