Jam-tomorrow Definition


(idiomatic) Promised benefits that never arrive.


Origin of Jam-tomorrow

  • From Lewis Carroll's Through the Looking-Glass (1871), where Alice is offered “jam to-morrow and jam yesterday — but never jam to-day”. This is a pun on a mnemonic for the usage of iam in Latin (note i/j conflation in Latin spelling), which means “now”, but only in the future or past tense, not in the present (which is instead nunc).

    From Wiktionary

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