English Reference
noun · verb

jackpot

n. · v.
US /ˈdʒækˌpɑt/ UK /dʒˈækpɒt/ jack·pot UK spelling jackpots

  1. 01 B2 Upper Intermediate

    n.a large prize of money that grows over time until someone wins it.

    n.a cumulative prize pool in a game of chance, such as a lottery or slot machine, that increases until won.

    Simple

    The lottery jackpot reached fifty million dollars after nobody won for three weeks.

    In context

    The casino floor erupted in cheers when the progressive jackpot finally triggered on one of the older machines.

    grand prizewinningspot
  2. 02 B2 Upper Intermediate

    n.a sudden and unexpected piece of great luck or success.

    n.an unexpected windfall or a significant achievement resulting from luck or effort.

    Simple

    He hit the jackpot when he found a rare book worth thousands at a garage sale.

    In context

    The startup hit the jackpot when a major tech firm offered to buy their software for ten times its estimated value.

  3. 03 C2 Proficiency TechnicalSlang Computing

    v.when a machine suddenly gives out a lot of money.

    v.to dispense a large quantity of cash or points, often used in the context of a machine malfunctioning or being exploited.

    Simple

    The broken machine started to jackpot, throwing coins all over the floor.

    In context

    Security experts warned banks about a new type of malware designed to make ATMs jackpot without a valid card.

    Usage

    Often used in the context of 'ATM jackpotting' in cybersecurity.


Etymology 1

Attested as jack-pot (“big prize”), 1944; from sense "slot machine" (1932), from obsolete poker sense (1881) "antes that begin when no player has a pair of jacks or better"; from jack (“playing card”) + pot.

Etymology 2

Unknown. Criminal slang usage as "trouble, especially an arrest" attested 1902.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Level B2 · Upper Intermediate
Frequency Frequent
Updated