Word.ws English Dictionary

blackjack

/ˈblækd͡ʒæk/

blackjack noun: a common gambling card game in casinos, where the object is to get as close to 21 without going over. Also the ellipsis of blackjack oak.

blackjack: a common gambling card game in casinos, where the object is to get as close to 21 without going over
Image: Frerk Meyer, CC BY-SA 2.0, via Wikimedia Commons

Noun (1)

blackjack (countable and uncountable, plural blackjacks)

  1. A common gambling card game in casinos, where the object is to get as close to 21 without going over.
  2. A hand in the game of blackjack consisting of a face card and an ace.
  3. A variant of switch where each player is initially dealt the same number of cards, usually seven, and when one player plays a black jack the player whose turn comes next has to pick up that many cards, unless they play a red jack (as this normally cancels a black jack).
  4. A variant of hearts where the Jack of Spades is the penalty card.
  5. The flag (i.e., a jack) traditionally flown by pirate ships; popularly thought to be a white skull and crossed bones on a black field (the Jolly Roger).
  6. A small, flat, blunt, usually leather-covered weapon loaded with heavy material such as lead or ball bearings, intended to inflict a blow to the head that renders the victim unconscious with diminished risk of lasting cranial trauma.
    • The pain is sometimes like the dull, heavy thud of being hit with a lead-filled blackjack; other times like a wizard is reaching deep below the skin and ripping muscles, tendons, and nerves.2016, Justin O. Schmidt, The Sting of the Wild, Johns Hopkins University Press,, →ISBN, page 131
  7. A tool of leather filled with shot (or similar), resembling the weapon, used for shaping sheet metal.
  8. Any of several species of weed of genus Bidens, such as Bidens pilosa, in the family Compositae.
  9. Any of a series of hard, dark soils, often considered low quality, but suitable for growing certain crops such as cotton.
    • This man had a brother about six miles off, settled on a rich White River bottom-land farm -- and while a blackjack clay soil yielded seventy bushels to the acre, this fine bottom-land would not average fifty.1859, Henry Ward Beecher, Plain and Pleasant Talk about Fruits, Flowers, and Farming, page 216
    • Blackjack soil is generally the poorest of all; it covers the narrow and rocky ridges, and has a stunted growth of blackjack and post oaks. The soil is dark in color, thin and cold, and is underlaid with pale yellow or slate-colored clay.1884, United States Census Office, Census Reports: Tenth Census: June 1, 1880: Cotton production in the United States, page 20
  10. (Australia, UK, rare) Ammonium bituminosulfonate.
    • "Next!" steps gingerly in to confront the medical eye fastened questioningly upon him. "Crook in the guts," he says tersely. The picturesque reports of previously treated and disgusted patients - have left him doubtful, and he casts, an anathematising eye upon the "Black Jack" bottle. "Tabloids and...1914 October 11, The Sunday Times, Perth, Australia, page 1, column 9
    • I remember Black Jack very well and actually like the smell. It is no longer available with that trade name but glycerine of ichthammol can still be bought in chemists.2010 October 19, John Davies, birminghamhistory.co.uk

Verb

blackjack (third-person singular simple present blackjacks, present participle blackjacking, simple past and past participle blackjacked)

  1. To strike with a blackjack or similar weapon.
    • “We cannot have you getting blackjacked and bound yet again.”2019, Ta-Nehisi Coates, The Water Dancer, Penguin Books (2020), page 233

Noun (2) capitalized: Blackjack

Blackjack (plural Blackjacks)

  1. (slang) A fan of the South Korean girl group 2NE1.
    • The queens of K-pop, 2NE1, are gearing up for their world tour in March and Blackjacks could not be more excited!2014, Julie Carlson, "2NE1 Comeback", Hallyu Magazine, Issue #11, Winter 2014, page 41 (approx.)
    • It’s this sort of brash ethos that resonates with Blackjacks (as 2NE1’s fans are known).2014, Chester Chin, "2NE1 in concert: Sassy and fierce", The Star (Malaysia), 29 May 2014

Also used as

blackjack is also the ellipsis of blackjack oak.

blackjack meaning in Hindi, Marathi, Bengali and Telugu

blackjack in Hindi

ब्लैकजैक

blackjack in Marathi

card game (the game where the aim is to score as close to twenty-one as possible without going over that amount)
ब्लॅकजॅक blĕkjĕk
hand
ब्लॅकजॅक blĕkjĕk

blackjack in Bengali

ব্ল্যাকজ্যাক

blackjack in Telugu

బ్లాక్జాక్
More languagesFewer languages
blackjack in Malayalam
ബ്ലാക്ക്ജാക്ക്
blackjack in Kannada
ಬ್ಲ್ಯಾಕ್ಜಾಕ್
blackjack in Punjabi
ਬਲੈਕਜੈਕ, ਬਲੈਕਜੈੱਕ
blackjack in Gujarati
બ્લેકજેક, બ્લેકજૅક
blackjack in Odia
ବ୍ଲାକଜ୍ଯ଼ାକ୍, ବ୍ଲାକଜାକ୍
blackjack in Nepali
ब्ल्याकज्याक
blackjack in Indonesian
selikuran

Examples of blackjack in a sentence

  • The predominant soil is the blackjack soil like that of the lower plateaus, seemingly, however, in most cases a little more sandy and a little coarser in grain.1911, Field Operations of the Bureau of Soils, page 1871:
  • Cotton grew robustly in western Cabarrus County's blackjack soil, pointing Concord beyond its agricultural base toward its first industry: textiles.2011, Michael Eury, Concord, Arcadia Publishing, →ISBN:

All 15 example sentences with blackjack

Synonyms of blackjack

Forms of blackjack

Noun
pluralblackjacks
alternative formblack jack
alternative formblack-jack
pluralBlackjacks
Verb
third-person singular presentblackjacks
present participleblackjacking
past participleblackjacked
pastblackjacked

Plural of blackjack: blackjacks

Origin of blackjack

From black + jack.

From the card game blackjack, also called twenty-one, which is one of two pronunciations of 2NE1's name (the other being "to anyone").

Words formed from blackjack

Phrases with blackjack

Questions about blackjack

What does blackjack mean?
Blackjack means a common gambling card game in casinos, where the object is to get as close to 21 without going over.
What is blackjack in Hindi?
Blackjack in Hindi is ब्लैकजैक. See Blackjack meaning in Hindi.
How do you use blackjack in a sentence?
The predominant soil is the blackjack soil like that of the lower plateaus, seemingly, however, in most cases a little more sandy and a little coarser in grain.
What part of speech is blackjack?
Blackjack can be a noun or a verb.
How do you pronounce blackjack?
Blackjack is pronounced /ˈblækd͡ʒæk/.
What is the plural of blackjack?
The plural of blackjack is blackjacks.

Words near blackjack in the dictionary

  1. blackishness
  2. blackism
  3. Blackith
  4. Blackiths
  5. blackity-black
  6. blackjack
  7. blackjack oak
  8. blackjack oaks
  9. blackjacked
  10. blackjacket
  11. blackjackets

Source and license

Adapted from Wiktionary: blackjack (page history and authors); Blackjack (page history and authors); blackjack (Hindi, IndicTrans2 machine translation) (model and license); blackjack (Bengali, IndicTrans2 machine translation) (model and license); blackjack (Telugu, IndicTrans2 machine translation) (model and license); blackjack (Malayalam, IndicTrans2 machine translation) (model and license); blackjack (Kannada, IndicTrans2 machine translation) (model and license); blackjack (Punjabi, IndicTrans2 machine translation) (model and license); blackjack (Gujarati, IndicTrans2 machine translation) (model and license); blackjack (Odia, IndicTrans2 machine translation) (model and license); blackjack (Nepali, IndicTrans2 machine translation) (model and license). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Vealhurl-blackjack.wav, En-au-Blackjack.ogg.

Cite this entry: “blackjack.” Word.ws, https://word.ws/blackjack. Based on Wiktionary, CC BY-SA 4.0.