Dummy may refer to:

Dolls

Mannequin A mannequin (also called a dummy, lay figure, or dress form) is a doll, often articulated, used by artists, tailors, dressmakers, window dressers and others, especially to display or fit clothing and show off different fabrics and textiles ...

, a model of the human body * Dummy (ventriloquism) *

Crash test dummy A crash test dummy, or simply dummy, is a full-scale anthropomorphic test device (ATD) that simulates the dimensions, weight proportions and articulation of the human body during a traffic collision. Dummies are used by researchers, automobil ...

People

Dummy (nickname) Dummy was a nickname commonly applied to "deaf and dumb" ( deaf-mute) athletes, especially baseball players, in the late 19th and early 20th century. In that era, the word "dumb" was used to describe someone who could not speak, rather than someon ...

, any of several people with the nickname *

Dummy, the Witch of Sible Hedingham Dummy, the Witch of Sible Hedingham ( – 4 September 1863) was the pseudonym of an unidentified elderly man who was one of the last people to be accused of witchcraft in England in the 19th century. He died after being beaten and thrown into a ri ...

(c. 1788–1863), one of the last people to be accused of being a witch in England

Arts and entertainment

Characters

Dummy (Marvel Comics) The Xavier Institute is a fictional school in the X-Men universe. This list documents the fictional staff, students and alumni of the institute. Xavier's School for Gifted Youngsters * Later renamed as Xavier Institute for Higher Learning. For ...

, from the comic book ''X-Men'' * Dummy (DC Comics)

Films

* ''Dummy'' (1979 film), a TV movie starring LeVar Burton and Paul Sorvino * ''Dummy'' (2002 film), a comedy/drama * ''Dummy'', a 2009 coming-of-age drama starring Emma Catherwood * ''Dummy'', a short film by

Kira Muratova Kira Georgievna Muratova (russian: Кира Георгиевна Муратова; ro, Kira Gueórguievna Muratova; uk, Кіра Георгіївна Мура́това; née Korotkova, 5 November 1934 – 6 June 2018) was a Ukraine, Ukrainian

* ''The Dummy'' (1917 film), an American silent drama * ''The Dummy'' (1929 film), an American comedy

Music

* ''Dummy'' (album), 1994, by Portishead * "Dummy!", a song by Toby Fox from the soundtrack of the 2015 video game ''Undertale''

Television

* "Dummy" (''Pushing Daisies'' episode) * "

The Dummy "The Dummy" is episode 98 of the American television anthology series ''The Twilight Zone'' starring Cliff Robertson as a ventriloquist. It is not to be confused with a similar episode " Caesar and Me", in which Jackie Cooper plays a ventriloqui ...

", an episode of ''The Twilight Zone'' * ''Dummy'' (TV series), a 2020 web comedy

Other

* Dummy, in

contract bridge Contract bridge, or simply bridge, is a trick-taking card game using a standard 52-card deck. In its basic format, it is played by four players in two competing partnerships, with partners sitting opposite each other around a table. Millions ...

, the partner of the player who wins the auction, or that player's hand

Linguistics

* Dummy auxiliary, such as ''do'' in some English sentences *

Dummy pronoun A dummy pronoun is a deictic pronoun that fulfills a syntactical requirement without providing a contextually explicit meaning of its referent. As such, it is an example of exophora. Dummy pronouns are used in many Germanic languages, includ ...

, such as ''it'' in the sentence ''it is good to relax''

Military

Dummy round A dummy round or drill round is a round that is completely inert, i.e., contains no primer, propellant, or explosive charge. It is used to check weapon function, and for crew training. Dummy ammunition is distinct from "practice" ammunition, ...

, a round of ammunition that is completely inert *

Military dummy Dummies and decoys are fake military equipment that are intended to deceive the enemy. Dummies and decoys are only one aspect of military deception. Examples During World War II, dummy airfields and even towns were used in England to divert G ...

, fake military equipment used for deception

Sport

Dummy (football) In association football, rugby league, rugby union and Australian rules football, a dummy or feint is a player deceiving the opposition into believing he is going to pass, shoot, move in a certain direction, or receive the ball and instead doing so ...

, an association football (soccer), rugby league and rugby union ruse * Dummy pass, in rugby league football

Other uses

* Dummy Lake (disambiguation), any of several places * Dummy sheet, a blank sheet folded as a pre-print newspaper test * Dummy, in computing means a placeholder * Dummy variable, in programming is a variable that doesn't contain any useful data, but it does reserve space that a real variable will use later * Dummy variable, another term for

bound variable In mathematics, and in other disciplines involving formal languages, including mathematical logic and computer science, a free variable is a notation (symbol) that specifies places in an expression where substitution may take place and is n ...

in mathematics *

Dummy variable (statistics) In regression analysis, a dummy variable (also known as indicator variable or just dummy) is one that takes the values 0 or 1 to indicate the absence or presence of some categorical effect that may be expected to shift the outcome. For example, i ...

, another term for binary variable in statistics *

Pacifier A pacifier is a rubber, plastic, or silicone nipple substitute given to an infant to suckle upon between feedings to quiet its distress by satisfying the need to suck when it does not need to eat. Pacifiers normally have three parts: an elongat ...

, called a dummy in some countries *

Steam dummy A steam dummy or dummy engine, in the United States and Canada, was a steam locomotive enclosed in a wooden box structure made to resemble a railroad passenger coach. Steam dummies had some popularity in the first decades of railroading in the U ...

, a steam engine made to resemble a railroad passenger coach