Overnight and Slapdash

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

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

Slapdash adjective - Lacking a definite plan, purpose, or pattern.

Overnight and slapdash are semantically related. Sometimes you can use "Overnight" instead an adjective "Slapdash".