Origin of overnight

Middle English word dating back to 1325–75; see origin at over-, night

Example sentences from the Web for overnight

British Dictionary definitions for overnight

overnight

adverb (ˌəʊvəˈnaɪt)

for the duration of the night we stopped overnight
in or as if in the course of one night; suddenly the situation changed overnight

adjective (ˈəʊvəˌnaɪt) (usually prenominal)

verb (intr)

to stay the night