Found 2 items, similar to overnight.
English → English (WordNet) Definition: overnight overnight adv : happening in a short time or with great speed; “these solutions cannot be found overnight!” overnight adj : lasting through or extending over the whole night; “a nightlong vigil”; “an overnight trip” [syn: nightlong]
English → English (gcide) Definition: overnight overnight \o"ver*night"\, adv. 1. In the fore part of the night last past; in the evening before. [1913 Webster] 2. Throughout the night; as, the candle will not last overnight. [1913 Webster] 3. During the night; hence, in a short period of time; as, his prospects of winning changed overnight. [PJC] I had been telling her all that happened overnight. --Dickens. [1913 Webster] overnight \o"ver*night"\, a. Ocurring or accomplished during one night; as, guaranteed overnight delivery of a package. [PJC]