Definition of “dummy” - English Dictionary

“dummy” in British English

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dummynoun [ C ]

uk /ˈdʌm.i/ us /ˈdʌm.i/

dummy noun [ C ] (MODEL)

a large model of a human, especially one used to show clothes in a shop:

the dummies in the store windows
a ventriloquist's dummy
UK a shop dummy

dummy noun [ C ] (FOR BABY)

UK US pacifier a smooth rubber or plastic object that is given to a baby to suck in order to comfort it and make it stop crying

dummyadjective [ before noun ]

uk /ˈdʌm.i/ us /ˈdʌm.i/

dummyverb [ I or T ]

uk /ˈdʌm.i/ us /ˈdʌm.i/ UK

(Definition of “dummy” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“dummy” in American English

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dummynoun [ C ]

us /ˈdʌm·i/

dummy noun [ C ] (MODEL)

a large model of a human:

They use crash-test dummies in order to improve safety equipment in cars.

dummy noun [ C ] (STUPID PERSON)

a stupid or silly person:

Taxpayers are not dummies, and they are going to know how politicians are trying to fool them.

dummyadjective [ not gradable ]

us /ˈdʌm·i/

dummy adjective [ not gradable ] (NOT REAL)

not real but having a similar appearance to something else:

They set up a dummy corporation to try to hide their identities.

(Definition of “dummy” from the Cambridge Academic Content Dictionary © Cambridge University Press)

“dummy” in Business English

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dummynoun [ C ]

uk /ˈdʌmi/ us plural dummies MARKETING

a large model of a person, especially one used to show clothes in a store:

If you want costumes or makeup to look really good, you can put it on a dummy.

something made to look real, used especially to test people's reaction to it:

The display case was filled with test packages and dummies to simulate the presence of food products.

dummyadjective [ before noun ]

uk /ˈdʌmi/ us

made to seem real:

He created a dummy magazine to show to potential publishers.
To meet their monthly targets, salespeople placed dummy orders from friendly customers, cancelling them later.

LAW used to describe a company that is created in order to hide information, especially about who owns its assets:

The agents set up dummy companies, acquire advanced computers, and then they quietly fold and go home, taking their hardware with them.

(Definition of “dummy” from the Cambridge Business English Dictionary © Cambridge University Press)