From dumb + -y. Pacifier sense from dummy teat where dummy is in the sense of a nonfunctional replica.
Meanings
(dated) A silent person; a person who does not talk.
The man's name […] was engraved in the centre, and beneath this, written in ink with the same elaborate precision as the engraving, there was a brief message.
I am a deaf-mute, but I read the lips and understand what is said to me. Please do not shout.
[…] Singer looked very carefully at his lips when he spoke—he had noticed that before. But a dummy! 1940, Carson McCullers, The Heart Is a Lonely Hunter:
A stupid person.
Don't be such a dummy!
(qualifier:African-American Vernacular; Baltimore; African-American Vernacular; Baltimore, slang) A term of address.
Hey dummy, what's good wit chu?
A figure of a person or animal used by a ventriloquist; a puppet.
Something constructed with the size and form of a human, to be used in place of a person.
To understand the effects of the accident, we dropped a dummy from the rooftop.
"There's a remedy, it does try one, but never mind," said Gubjor; "I shall make a dummy baby, which I shall bury in the churchyard, and then the dead will believe they have got the child, take my word, they won't know but what it is the real baby!" 1886, Peter Christen Asbjørnsen, translated by H.L. Brækstad, Folk and Fairy Tales, page 304:
A person who is the mere tool of another; a man of straw.
A deliberately nonfunctional device or tool used in place of a functional one.
The second method was to use two loadometers under the wheels of one axle, mounting the wheels of the other axle on what we called "equalizing blocks" or "dummies." By that method the two axles are brought into the same horizontal plane […] 1950, National Bureau of Standards Miscellaneous Publication, page 138:
The hammer and drill in the display are dummies.
(Australia, Ireland, New-Zealand, UK) A pacifier; a plastic or rubber teat used to soothe or comfort a baby.
Then on the fifth day, at the first sleep of the day, remove the dummy and follow my settling guide for your baby′s age. You should throw all her dummies in the bin to ensure you are not tempted to use them again – even outside sleep times. 2006, Tizzie Hall, Save Our Sleep: A Parents′ Guide Towards Happy, Sleeping Babies from Birth to Two Years, MacMillan, published 2009, page 200:
We′ve found that going cold turkey works best – you check that your baby isn't ill or teething, then throw all dummies away. When your baby cries for her dummy, you can look her in the eye and say, ‘It′s gone,’ and really mean it. 2011, Simone Cave, Caroline Fertleman, Baby to Toddler Month by Month, page 85:
No Fairy baby has ever been seen to suck its thumb or to use a dummy. 2008, Bern, Bern's Fairy Tales, page 15:
The baby wants her dummy.
A player whose hand is shown and is to be played from by another player.
A word serving only to make a construction grammatical.
The pronoun "it" in "It's a mystery why this happened" is a dummy.
An unused parameter or value.
If flag1 is false, the other parameters are dummies.
A feigned pass or kick or play in order to deceive an opponent.
(UK) A bodily gesture meant to fool an opposing player; a feint.
Raul Meireles was the victim of the home side's hustling on this occasion giving the ball away to the impressive David Vaughan who slipped in Taylor-Fletcher. The striker sold Daniel Agger with the best dummy of the night before placing his shot past keeper Pepe Reina. 2011 January 12, Saj Chowdhury, “Blackpool 2 - 1 Liverpool”, in BBC:
(attributive) A newborn animal that is indifferent to stimulus and does not voluntarily move.
a dummy calf, lamb, or foal
A fairy chess piece that cannot move or capture, but can be captured and used to skip moving another piece.
In Monochromatic chess moves are only allowed between cells of the same colour. Thus the kings are reduced to ferses, the rooks to dabbabariders, and the knights to dummies. […] The fers and camel can reach all the cells of one colour. The others are more restricted; the dummy cannot move at all, and the commuter can only move back and forth between two cells. 2010 August 21, G. P. Jelliss, “Simple Chess Variants”, in Mayhematics, pages 4, 9:
Everybody give the dummy a big round of applause. 2018 October 12, aabicus, “My 7 Favorite Fairy Chess Pieces”, in The Daily SPUF:
sh tupan (a stupid person) · et mannekeen (something constructed with the size and form of a human) · sh budala (a stupid person) · ru чу́чело (something constructed with the size and form of a human) · it fantoccio (something constructed with the size and form of a human) · tr kukla (figure of a person or animal used by a ventriloquist) · sh glupan (a stupid person) · mk кукла (something constructed with the size and form of a human) · pl atrapa (a deliberately nonfunctional placeholder) · ru болва́н (a stupid person) · es muñeco (something constructed with the size and form of a human) · fi malli (a deliberately nonfunctional placeholder) · sh atrapa (a deliberately nonfunctional placeholder) · id bonekaan (a deliberately nonfunctional placeholder) · pl dziadek (bridge: the partner of the winning bidder, who shows his or her hand) · pt imbecil (a stupid person) · pt simulacro (a deliberately nonfunctional placeholder) · ml പാവ (figure of a person or animal used by a ventriloquist) · es maniquí (something constructed with the size and form of a human) · id cetak coba (a deliberately nonfunctional placeholder) · sh mučaljivac (a silent person) · cs hlupák (a stupid person) · sh blesan (a stupid person) · es muerto (bridge: the partner of the winning bidder, who shows his or her hand) · es silente (a silent person) · bg мор (bridge: the partner of the winning bidder, who shows his or her hand) · fi harhautus (a feigned pass or play to deceive others in sport) · fi tuppisuu (a silent person) · nb blindemann (bridge: the partner of the winning bidder, who shows his or her hand) · da gine (something constructed with the size and form of a human) · id tinulat (a deliberately nonfunctional placeholder) · nn dumming (a stupid person) · ru молчу́нья (a silent person) · ru глупе́ц (a stupid person) · ru молчу́н (a silent person) · es silencioso (a silent person) · ru ду́ра (a stupid person) · ru ду́рень (a stupid person) · fi lepääjä (bridge: the partner of the winning bidder, who shows his or her hand) · sh mutavac (a silent person) · cmn 假人 (something constructed with the size and form of a human) · mk глупак (a stupid person) · nb dummy (a deliberately nonfunctional placeholder) · ru финт (a feigned pass or play to deceive others in sport) · ru манеке́н (something constructed with the size and form of a human) · ota طوی (a stupid person) · cs atrapa (a deliberately nonfunctional placeholder) · bg тъпак (a stupid person) · bg бутафо́рия (a deliberately nonfunctional placeholder) · sh blentavac (a stupid person) · sh blento (a stupid person) · ar دُمْيَة (something constructed with the size and form of a human) · mk глупачка (a stupid person) · ru болва́н (bridge: the partner of the winning bidder, who shows his or her hand) · mk макета (a deliberately nonfunctional placeholder) · fr imbécile (a stupid person) · bg манекен (something constructed with the size and form of a human) · da attrap (a deliberately nonfunctional placeholder) · it sagoma (something constructed with the size and form of a human) · pl manekin (something constructed with the size and form of a human) · de lebensgroße Puppe (something constructed with the size and form of a human) · cs panák (something constructed with the size and form of a human) · cs figurína (something constructed with the size and form of a human) · it taciturno (a silent person) · it morto (bridge: the partner of the winning bidder, who shows his or her hand) · ru ку́кла (something constructed with the size and form of a human) · da dukke (something constructed with the size and form of a human) · fr mort (bridge: the partner of the winning bidder, who shows his or her hand) · it simulacro (a deliberately nonfunctional placeholder) · de Attrappe (a deliberately nonfunctional placeholder) · sv dumhuvud (a stupid person) · id kibulan (a feigned pass or play to deceive others in sport) · gd breugag (something constructed with the size and form of a human) · pt manequim (something constructed with the size and form of a human) · fr mannequin (something constructed with the size and form of a human) · id pendiam (a silent person) · ru маке́т (a deliberately nonfunctional placeholder) · fr idiot (a stupid person) · hu próbababa (something constructed with the size and form of a human) · pl kukła (something constructed with the size and form of a human) · ru дура́к (a stupid person) · eo stultulo (a stupid person) · it scemo (a stupid person) · es estúpido (a stupid person) · ru ча́йник (a stupid person) · sh tupavac (a stupid person) · bg финт (a feigned pass or play to deceive others in sport) · ru тупи́ца (a stupid person) · fr idiote (a stupid person) · pl głupek (a stupid person) · sh maneken (something constructed with the size and form of a human) · nb tosk (a stupid person) · pdt Dommajon (a stupid person) · ja ダミー (a deliberately nonfunctional placeholder) · pt idiota (a stupid person) · da mannequin (something constructed with the size and form of a human) · cy ffug-bàs (a feigned pass or play to deceive others in sport) · fr muet (a silent person) · da tåbe (a stupid person) · ru бутафо́рия (a deliberately nonfunctional placeholder) · it manichino (something constructed with the size and form of a human) · mi tohipa (a feigned pass or play to deceive others in sport) · ga balbhán (bridge: the partner of the winning bidder, who shows his or her hand) · nn tosk (a stupid person) · hu fajankó (a stupid person) · de Puppe (figure of a person or animal used by a ventriloquist) · he גֹּלֶם (a stupid person) · it stupido (a stupid person) · fi mallinukke (something constructed with the size and form of a human) · fi tollo (a stupid person) · fi nukke (figure of a person or animal used by a ventriloquist) · ru бе́столочь (a stupid person) · he דֶּמֶה (a deliberately nonfunctional placeholder) · yi גולם (a stupid person) · es idiota (a stupid person) · es tonto (a stupid person) · de Dummy (something constructed with the size and form of a human) · nb dumming (a stupid person)
From dumb + -y. Pacifier sense from dummy teat where dummy is in the sense of a nonfunctional replica.
Meanings
To make a mock-up or prototype version of something, without all of the intended functionality.
The carpenters dummied some props for the rehearsals.
To feint.
For the first, the 30-year-old allowed Walcott space on the right to send in a pass that was expertly dummied by Samir Nasri, allowing Van Persie to swivel and smash right-footed past Robert Green. 2011 January 15, Kevin Darling, “West Ham 0 - 3 Arsenal”, in BBC:
The more glamorous qualities usually associated with him are skill and pace and he used those to race on to a ball across him and dummy a defender before having a right-foot shot saved. 2011 February 1, Mandeep Sanghera, “Man Utd 3 - 1 Aston Villa”, in BBC: