What is another word for night letter?
Pronunciation: [nˈa͡ɪt lˈɛtə] (IPA) 
The term "night letter" can refer to a number of different things. It can be a letter sent with the intention of being received the following day, or it can be a letter that is written and delivered during the night. Synonyms for "night letter" might include "late-night missive," "nocturnal epistle," or "after-hours correspondence." Additionally, the phrase might be used to describe a letter that carries a particularly ominous or threatening tone, in which case synonyms might include "menacing communique," "sinister dispatch," or "threatening memorandum." Depending on the usage and context, there are many possible alternatives to the phrase "night letter.".
