Bedeutung von “overnight” — Learner’s Dictionary

overnight

adverb us uk /ˌəʊvəˈnaɪt/
NIGHT

B1 for or during the night:

Sometimes we would stay overnight at my grandmother's house.
QUICKLY

very quickly or suddenly:

Change does not happen overnight.
overnight adjective [ always before noun ]

overnight rain
an overnight / (= sudden) success

(Definition von “overnight” aus dem Cambridge Learner's Dictionary © Cambridge University Press)