1. A domesticated carnivorous mammal (Canis familiaris) related to the foxes and wolves and raised in a wide variety of breeds. 2. Any of various carnivorous mammals of the family Canidae, such as the dingo. 3. A male animal of the family Canidae, especially of the fox or a domesticated breed. 4. Any of various other animals, such as the prairie dog. 5.Informala. A person: You won, you lucky dog.b. A person regarded as contemptible: You stole my watch, you dog.6.Slanga. A person regarded as unattractive or uninteresting. b. Something of inferior or low quality: The President had read the speech to some of his friends and they told him it was a dog (John P. Roche). c. An investment that produces a low return or a loss. 7.dogsSlang The feet. 8. See andiron. 9.Slang A hot dog; a wiener. 10. Any of various hooked or U-shaped metallic devices used for gripping or holding heavy objects. 11.Astronomy A sun dog.
ADVERB:
Totally; completely. Often used in combination: dog-tired.
TRANSITIVE VERB:
Inflected forms: dogged, dog·ging, dogs 1. To track or trail persistently: A stranger then is still dogging us (Arthur Conan Doyle). 2. To hold or fasten with a mechanical device: Watertight doors and hatches were dropped into place and dogged down to give the ship full watertight integrity (Tom Clancy).
IDIOMS:
dog itSlang To fail to expend the effort needed to do or accomplish something. go to the dogs To go to ruin; degenerate. put on the dogInformal To make an ostentatious display of elegance, wealth, or culture.