Meaning of “dog” in the English Dictionary

"dog" in British English

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dognoun [ C ]

uk /dɒɡ/ us /dɑːɡ/

dog noun [ C ] (ANIMAL)

A1 a common animal with four legs, especially kept by people as a pet or to hunt or guard things:

my pet dog
wild dogs
dog food
We could hear dogs barking in the distance.

More examples

dogverb [ T ]

uk /dɒɡ/ us /dɑːɡ/ -gg-

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

"dog" in American English

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dognoun [ C ]

us /dɔɡ/

dog noun [ C ] (ANIMAL)

an animal with four legs, commonly kept as a pet, and sometimes used to guard things

dog noun [ C ] (PERSON)

slang a person of a stated type:

You won $1000? You lucky dog!

dogverb [ T ]

us /dɔɡ/ -gg-

dog verb [ T ] (FOLLOW)

to follow someone closely and continually:

The scandal seems likely to dog him for months to come.

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

"dog" in Business English

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dognoun [ C ]

uk /dɒɡ/ us

informal an investment, company, or product that will probably fail

MARKETING a product that has a small share of a market that has a low rate of growth

dog eat dog informal

a situation in which competitors are willing to harm each other in order to be successful:

It is dog eat dog on Las Vegas's world-famous Strip as huge casino complexes compete for attention.
The fast-growing telecom industry was a dog-eat-dog world where firms were either looking to expand or ripe for takeover.
eat your own dog food informal

if a company eats its own dog food, it uses the products that it makes in its own business activities, rather than using products made by other companies:

The company, which makes high-tech equipment, could not have grown as fast as it has without eating lots of its own dog food.
go to the dogs informal also US go to hell in a handbasket/handcart

to get into a very bad situation:

The economy seems to be going to the dogs.
Signs of a global recession inevitably conjure up thoughts of the last time we went to hell in a handbasket: the Great Depression of the 1930s.
that dog won't hunt US informal

used to say that a plan will fail

See also

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