Definition of blackjack in English:



  • 1North American [mass noun] A gambling card game in which players try to acquire cards with a face value totalling 21 and no more.

    Also called pontoon, vingt-et-un
    • ‘Of all the above table games, only blackjack requires skill to play correctly and reduce the house edge as low as possible.’
    • ‘The ban on house-banked blackjack does not apply to player-banked blackjack.’
    • ‘In a game such as blackjack, an astute player can try to memorize the cards already played to have a better chance of predicting which cards will come up later.’
    • ‘These men attended and enjoyed spectator sports, bet on prize fights and wrestling matches, and gambled at poker, blackjack, and dice.’
    • ‘It generates revenues by hosting online backgammon, gin rummy and blackjack, as well as staging golf, darts and pool games.’
    • ‘These were some cherished moments when my dad took the time to teach us every card game in the book, like all-fours, poker and blackjack.’
    • ‘The site offers slots, roulette and animated card games including poker and blackjack.’
    • ‘Casino games include a large selection of the newest slot and video machines, as well as roulette, blackjack and craps.’
    • ‘Customers can keep tabs on games they're interested in while still playing blackjack or shooting craps.’
    • ‘We had already squandered much of the gambling kitty playing blackjack, poker and baccarat before trying the dice.’
    • ‘James sat down at one of the gaming tables and the dealer immediately dealt him the two cards for blackjack.’
    • ‘I am reminded of the MIT group that managed to win millions at casinos by counting cards in blackjack.’
    • ‘I had a fine night afterwards though - everyone buying me drinks, then on to the casino for a little blackjack.’
    • ‘Between live poker and blackjack, I spend about 1000 hours per year at the gambling tables.’
    • ‘First, without counting, blackjack is a negative expectation game and solid citizens are bound to lose in the long run.’
    • ‘Gala is gambling that blackjack and slots will compete with sharking and alcopops on the night-out menu.’
    • ‘He's a successful businessman who told me he had lost hundreds of thousands of dollars playing blackjack.’
    • ‘If they succeed at this, blackjack will become as unpopular as American roulette.’
    • ‘Some purists will insist that blackjack and poker are two entirely different games.’
    • ‘The aim of blackjack is to draw cards totalling as close to 21 but not exceeding 21.’
  • 2A widely distributed weed related to the bur-marigold, with barbed black seeds.

    • ‘It spends some of its time removing weeds like kakiebos, blackjacks and bugweed, perpetual problems in any areas that birds fly over, dropping seeds.’
  • 3North American A flexible lead-filled truncheon.

    • ‘Sure, he's got a dagger to fight 1-on-1, but he's better off just cracking the back of someone's head with a blackjack.’
    • ‘Johnigan folded in half over the keyboard, giving Al the chance to bang him hard on the back of the head with a lead-weighted blackjack.’
    • ‘I saw in her hand the blackjack that had moments ago made a profound impression upon my skull.’
    • ‘The other man slammed what looked like a blackjack against the sagging head, striking just behind the right ear.’
    • ‘I didn't even feel the blackjack as it clobbered me on the back of the head.’
    • ‘By the time the miserable news hit the Millers like a blackjack on Sept. 24, the damage had been done and was irreversible.’
    • ‘Maybe that's why I didn't see the guy sneaking up on me with the blackjack.’
    • ‘Bats, clubs, sticks, blackjacks, Brazilian fighting rods, rocks, and Japanese club sticks are just a few of the more favored tools used in beating people to a pulp.’
    • ‘Firehoses were turned on and soon three thousand picketers, thugs, and police rumbled in the streets with clubs, blackjacks, wrenches, chains, and tear gas.’
    • ‘What he didn't feel was the blackjack hitting him from behind.’
    club, bludgeon, stick, truncheon, baton, blackthorn, mace, bat
    View synonyms
  • 4historical A pirates' black ensign.

  • 5historical A tar-coated leather container used to hold beer.