black·​jack | \ ˈblak-ˌjak How to pronounce blackjack (audio) \

Definition of blackjack

 (Entry 1 of 2)

1a : a card game the object of which is to be dealt cards having a higher count than those of the dealer up to but not exceeding 21

called also twenty-one, vingt-et-un

b : an ace and a face card or ten as the first two cards dealt to a player in the game of blackjack

called also natural, twenty-one

2 : a hand weapon typically consisting of a piece of leather-enclosed metal with a strap or springy shaft for a handle
3 [ black + jack (vessel) ] : a tankard for beer or ale usually of tar-coated leather
5 : an often scrubby oak (Quercus marilandica) chiefly of the southeastern U.S.

called also blackjack oak


blackjacked; blackjacking; blackjacks

Definition of blackjack (Entry 2 of 2)

transitive verb

1 : to strike with a blackjack
2 : to coerce with threats or pressure

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Examples of blackjack in a Sentence


you cannot blackjack me into going along with this a couple of thugs trying to blackjack a shopkeeper into paying protection money

Recent Examples on the Web: Noun

In the 1950s, four mathematically minded U.S. Army soldiers used primitive electronic calculators to work out the optimal strategy for playing blackjack. Quanta Magazine, "In Quantum Games, There’s No Way to Play the Odds," 1 Apr. 2019 The state countersued, saying the tribe was continuing to offer blackjack in violation of the agreement. Dan Sweeney,, "Odds are improving for a Seminole gambling deal in the Legislature," 16 Feb. 2018 Before that bill passed, all gambling had to be on games taking place inside casinos, like blackjack and slot machines. A.j. Perez, USA TODAY, "States where sports betting may be ready in time for NFL season," 14 May 2018 The robot can now play you in a hand of blackjack, tell you the current weather, perform currency conversion, and do much, much more than Cozmo could. Nick Statt, The Verge, "Anki Vector review: modern-day Tamagotchi," 5 Nov. 2018 Also available on the consoles are video poker and non-live (automated) blackjack, baccarat and roulette. Michael Shapiro, San Francisco Chronicle, "Thunder Valley’s new gaming stations allow people to play at own pace," 6 June 2018 The compact also gives the tribe exclusive rights to offer blackjack at its Hard Rock casinos. Mary Ellen Klas, miamiherald, "Florida legislators can't agree, will let voters decide who can OK more gambling | Miami Herald," 25 Apr. 2018 The attraction isn't just for kids—adults can blissfully swim beneath faux waterfalls and peek into the aquarium on their way to the blackjack table. Juliana Shallcross, Condé Nast Traveler, "9 Best Pools in Las Vegas," 4 Mar. 2018 If gambling is no dice, the hotel’s exclusive pool offers an escape from the roulette and blackjack tables. Samantha Swenson, ELLE Decor, "There's a Newcomer to The Strip: the NoMad Las Vegas," 12 Oct. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'blackjack.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of blackjack


circa 1540, in the meaning defined at sense 3


1905, in the meaning defined at sense 1

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Statistics for blackjack

Last Updated

26 Jun 2019

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Time Traveler for blackjack

The first known use of blackjack was circa 1540

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More Definitions for blackjack



English Language Learners Definition of blackjack

: a card game in which the players try to get a score that is higher than that of the dealer but less than or equal to 21
: a small leather-covered metal club used as a hand weapon

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More from Merriam-Webster on blackjack

Rhyming Dictionary: Words that rhyme with blackjack

Thesaurus: All synonyms and antonyms for blackjack

Spanish Central: Translation of blackjack

Nglish: Translation of blackjack for Spanish Speakers Encyclopedia article about blackjack

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a small bunch of flowers

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