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dog
/dɒg/ (say dog)

noun 1.  a domesticated carnivore, Canis familiaris, descended from the grey wolf; bred in a great many varieties and commonly kept as a pet.

2.  any animal belonging to the same family, Canidae, including the wolves, jackals, foxes, etc.

3.  the male of such an animal (opposed to bitch).

4.  any of various animals suggesting the dog, as the prairie dog.

5. Colloquial a despicable man.

6. Colloquial an informer (def. 1) as a criminal to a police officer, or a prison inmate to a prison officer.

7. Colloquial an unattractive woman or man.

8. Colloquial something which is disappointing or unsuccessful: he's produced some good films as well as a few dogs.

9.  any of various mechanical devices, as for gripping or holding something.

10.  an andiron.

11. Colloquial a four-wheeled trailer used in road haulage.

12. Colloquial an informer; betrayer.

13. Originally Black American English (an affectionate form of address, especially between males): what's up, dog?


verb (dogged, dogging)

verb (t) 14.  to follow or track constantly like a dog; hound; worry; plague: he was dogged by misfortune.

15.  to drive or chase with a dog or dogs.

16. Colloquial to execute (something) poorly.

17. Colloquial to go back on (an arrangement).

verb (i) 18.  to hunt dingoes.

phrase 19. a dog act, Colloquial an instance of despicable behaviour.

20. a dog tied up, Colloquial an outstanding account.

21. die like a dog, Colloquial to die in a wretched, miserable or undignified way.

22. dog eat dog, (an expression used to refer to a situation in which there is ruthless competition and people are willing to cause injury to their rivals in order to succeed themselves): it was dog eat dog in the run-up to the election.

23. gay dog, Colloquial a rakish, possibly dissolute man.

24. get a (black) dog (up ya), Colloquial (an expression of farewell meaning, literally, `go and have a drink'.) [Phrase Origin: from the phrase the hair of the dog being the cure for a hangover, implying that the person addressed should take care of themselves by having an alcoholic drink]

25. go to the dogs, Colloquial to go to ruin.

26. hey dog!, Colloquial (an informal greeting to a friend.)

27. lame dog, an unfortunate person; a helpless person.

28. lead a dog's life, to have a harassed existence; to be continuously unhappy. [Phrase Origin: known from the 16th century, when dogs were working animals rather than pets, and were kept outdoors, fed scraps and worked hard. The idea that a dog's life was a miserable one is also reflected in the expressions die like a dog, dog eat dog, dogsbody and dog-tired.]

29. let sleeping dogs lie, to refrain from action which might alter the existing situation.

30. one's dogs are barking, Colloquial one has sore feet. [Phrase Origin: originally US (1910s) rhyming slang dog's meat feet]

31. put on (the) dog, to behave pretentiously; put on airs. [Phrase Origin: American university slang of 1870s, from dog meaning `style, good clothes']

32. the black dog, (in figurative use) clinical depression. [Phrase Origin: ? coined by Dr Samuel Johnson who suffered from depression]

33. the dogs, Colloquial greyhound racing.

34. (turn) dog on, to inform on, or betray (someone).

35. … would choke (or kill) a brown dog, … is unpalatable (usually with reference to food but also to other items consumed as films, television programs, entertainments, etc.).

[Middle English dogge, Old English docga]