WordReference Random House Learner's Dictionary of American English © 2020
ˈDear ˈJohn, n. [countable]
  • 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.

  • WordReference Random House Unabridged Dictionary of American English © 2020
    Dear John, [Informal.]
    1. 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.
    2. Informal Termsany letter terminating a relationship.
    Also called  Dear John let′ter. 
    • 1940–45

    Advertisements
    Advertisements
    Report an inappropriate ad.