overnight

As nouns the difference between overnight and surgicenter

is that overnight is items delivered or completed overnight while surgicenter is a medical facility where surgical procedures not requiring an overnight hospital stay are performed.

As an adverb overnight

is throughout the night.

As an adjective overnight

is occurring between dusk and dawn.

As a verb overnight

is to stay overnight; to spend the night.

As nouns the difference between overnight and overnighter

is that overnight is items delivered or completed overnight while overnighter is a person who overnights, or stays overnight.

As an adverb overnight

is throughout the night.

As an adjective overnight

is occurring between dusk and dawn.

As a verb overnight

is to stay overnight; to spend the night. {{defdate |from 19th c.}.