Overnight and Pro tem

Overnight adjective - Lasting, open, or operating through the whole night.

Pro tem and overnight are semantically related in temporary topic. In some cases you can use "Pro tem" instead an adjective "Overnight", when it comes to topics like lasting only a short while.

Pro tem adjective - For the time being.

Overnight and pro tem are semantically related in temporary topic. Sometimes you can use "Overnight" instead an adjective phrase "Pro tem".