WordReference Random House Learner's Dictionary of American English © 2020
ˈDear ˈJohn, n. [countable]WordReference Random House Unabridged Dictionary of American English © 2020
Informal Termsa letter, esp. to a soldier, from a woman informing him that she is ending their relationship or wants a divorce:a Dear John from home.
Dear′ John′, [Informal.]
- Informal Termsa letter from a woman informing her boyfriend or fiancé that she is ending their relationship or informing her husband that she wants a divorce:Nothing is worse for a soldier's morale than getting a Dear John.
- Informal Termsany letter terminating a relationship.