blackjack

Meaning

Noun

1. (countable, uncountable) A common gambling card game in casinos, where the object is to get as close to 21 without going over.
2. (countable, uncountable) A hand in the game of blackjack consisting of a face card and an ace.
3. (countable, uncountable) 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. (countable, uncountable) A variant of hearts where the Jack of Spades is the penalty card.
5. (countable, uncountable) 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. (countable, uncountable) 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.
7. (countable, uncountable) A tool of leather filled with shot (or similar), resembling the weapon, used for shaping sheet metal.
8. (countable, uncountable) Any of several species of weed of genus Bidens, such as Bidens pilosa, in the family Compositae.
9. (abbreviation, alt-of, countable, ellipsis, uncountable) Ellipsis of blackjack oak.
10. (countable, uncountable) Any of a series of hard, dark soils, often considered low quality, but suitable for growing certain crops such as cotton.
11. (Australia, UK, countable, rare, uncountable) Ammonium bituminosulfonate.

Verb

To strike with a blackjack or similar weapon.

Synonyms

cosh

twenty-one

vingt-et-un

black flag

🏴

pirate flag

blackmail

Jolly Roger

bludgeon

pressure

billy

jack oak

blackjack oak

black jack

Quercus marilandica

sap

truncheon

squeeze

baton

king

👑

nightstick

pontoon

power

press

push

runner

🏃

shillalah

shillelagh

sphalerite

staff

stick

stiffen

straiten

swaggerer

tankard

tauten

tense

tighten

tighten up

turnkey

billystick

cannelite

blue striped cavalla

blue-striped cavalla

crevalli

crevalle

blue runner

crevalle jack

squeeze for

stun baton

bar jack

Translations

vinte-e-um

Blackjack

veintiuna

vingt-et-un

Totschläger

casse-tête

blackjack

είκοσι ένα

Keule

μπλακτζάκ

βελανιδιά Quercus marilandica

εικοσιένα

μπλακ-τζάκ

chantage

Siebzehn-und-vier

Pronounced as (IPA)

/ˈblækd͡ʒæk/

Etymology

From black + jack.