What is another word for Dear Jane letter?
Pronunciation: [dˈi͡ə d͡ʒˈe͡ɪn lˈɛtə] (IPA) 
A "Dear Jane letter", also commonly known as a "break-up letter", is a message written to end a romantic relationship. However, in order to avoid using the term repeatedly, there are a few alternative synonyms one can employ to describe this situation. One such term is a "goodbye note", succinctly encapsulating the purpose of the message. Another phrase that can be used is a "farewell letter", which implies bid adieu to a relationship. Additionally, one could refer to it as a "parting message" highlighting the intention to separate. Ultimately, these synonyms serve to illustrate the act of conveying one's decision to terminate a romantic affiliation.
