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definitions

dog

[dawg, dog]
See more synonyms for dog on Thesaurus.com
noun
  1. a domesticated canid, Canis familiaris, bred in many varieties.
  2. any carnivore of the dog family Canidae, having prominent canine teeth and, in the wild state, a long and slender muzzle, a deep-chested muscular body, a bushy tail, and large, erect ears.Compare canid.
  3. the male of such an animal.
  4. any of various animals resembling a dog.
  5. a despicable man or youth.
  6. Informal. a fellow in general: a lucky dog.
  7. dogs, Slang. feet.
  8. Slang.
    1. something worthless or of extremely poor quality: That used car you bought is a dog.
    2. an utter failure; flop: Critics say his new play is a dog.
  9. Slang. an ugly, boring, or crude person.
  10. Slang. hot dog.
  11. (initial capital letter) Astronomy. either of two constellations, Canis Major or Canis Minor.
  12. Machinery.
    1. any of various mechanical devices, as for gripping or holding something.
    2. a projection on a moving part for moving steadily or for tripping another part with which it engages.
  13. Also called gripper, nipper. Metalworking. a device on a drawbench for drawing the work through the die.
  14. a cramp binding together two timbers.
  15. an iron bar driven into a stone or timber to provide a means of lifting it.
  16. an andiron; firedog.
  17. Meteorology. a sundog or fogdog.
  18. a word formerly used in communications to represent the letter D.
verb (used with object), dogged, dog·ging.
  1. to follow or track like a dog, especially with hostile intent; hound.
  2. to drive or chase with a dog or dogs.
  3. Machinery. to fasten with dogs.
Idioms
  1. dog it, Informal.
    1. to shirk one's responsibility; loaf on the job.
    2. to retreat, flee, renege, etc.: a sponsor who dogged it when needed most.
  2. go to the dogs, Informal. to deteriorate; degenerate morally or physically: This neighborhood is going to the dogs.
  3. lead a dog's life, to have an unhappy or harassed existence: He complains that he led a dog's life in the army.
  4. let sleeping dogs lie, to refrain from action that would alter an existing situation for fear of causing greater problems or complexities.
  5. put on the dog, Informal. to assume an attitude of wealth or importance; put on airs.
  6. throw to the dogs. throw(def 57).

Origin of dog

before 1050; Middle English dogge, Old English docga
Related formsdog·less, adjectivedog·like, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for dog

puppy, pup, shadow, hound, plague, haunt, cur, stray, tyke, bitch, mutt, mongrel, doggy, pooch, pursue, track, trail, tail, tag, trouble

Examples from the Web for dog

Contemporary Examples of dog

Historical Examples of dog

  • Eudora blushed deeply, and busily caressed the dog with her foot.

    Philothea

    Lydia Maria Child

  • And throwing himself on the grass, he hid his face against the dog and sobbed.

    The Armourer's Prentices

    Charlotte M. Yonge

  • And oh, sir,” added Stephen, “may we crave a drop of water for our dog?

    The Armourer's Prentices

    Charlotte M. Yonge

  • In this he resembled a dog who barks when a stranger approaches.

    Ancient Man

    Hendrik Willem van Loon

  • When it is cold, the dog finds a spot in front of the stove.

    Ancient Man

    Hendrik Willem van Loon

British Dictionary definitions for dog

dog

noun
    1. a domesticated canine mammal, Canis familiaris, occurring in many breeds that show a great variety in size and form
    2. (as modifier)dog biscuit
    1. any other carnivore of the family Canidae, such as the dingo and coyote
    2. (as modifier)the dog family Related adjective: canine
    1. the male of animals of the dog family
    2. (as modifier)a dog fox
  4. (modifier)
    1. spurious, inferior, or uselessdog Latin
    2. (in combination)dogberry
  5. a mechanical device for gripping or holding, esp one of the axial slots by which gear wheels or shafts are engaged to transmit torque
  6. informal a fellow; chapyou lucky dog
  7. informal a man or boy regarded as unpleasant, contemptible, or wretched
  8. US informal a male friend: used as a term of address
  9. slang an unattractive or boring girl or woman
  10. US and Canadian informal something unsatisfactory or inferior
  11. short for firedog
  12. any of various atmospheric phenomenaSee fogdog, seadog, sundog
  13. a dog's chance no chance at all
  14. a dog's dinner or a dog's breakfast informal something that is messy or bungled
  15. a dog's life a wretched existence
  16. dog eat dog ruthless competition or self-interest
  17. like a dog's dinner informal dressed smartly or ostentatiously
  18. put on the dog US and Canadian informal to behave or dress in an ostentatious or showy manner
verb dogs, dogging or dogged (tr)
  1. to pursue or follow after like a dog
  2. to trouble; plagueto be dogged by ill health
  3. to chase with a dog or dogs
  4. to grip, hold, or secure by a mechanical device
adverb
  1. (usually in combination) thoroughly; utterlydog-tired
See also dogs
Derived Formsdoglike, adjective

Word Origin for dog

Old English docga, of obscure origin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for dog
n.

Old English docga, a late, rare word used of a powerful breed of canine. It forced out Old English hund (the general Germanic and Indo-European word; see canine) by 16c. and subsequently was picked up in many continental languages (e.g. French dogue (16c.), Danish dogge), but the origin remains one of the great mysteries of English etymology.

Many expressions -- a dog's life (c.1600), go to the dogs (1610s), etc. -- reflect earlier hard use of the animals as hunting accessories, not pampered pets. In ancient times, "the dog" was the worst throw in dice (attested in Greek, Latin, and Sanskrit, where the word for "the lucky player" was literally "the dog-killer"), which plausibly explains the Greek word for "danger," kindynas, which appears to be "play the dog."

Slang meaning "ugly woman" is from 1930s; that of "sexually aggressive man" is from 1950s. Adjectival phrase dog-eat-dog attested by 1850s. Dog tag is from 1918. To dog-ear a book is from 1650s; dog-eared in extended sense of "worn, unkempt" is from 1894.

Notwithstanding, as a dog hath a day, so may I perchance have time to declare it in deeds. [Princess Elizabeth, 1550]


It is ill wakyng of a sleapyng dogge. [Heywood, 1562]

Phrase put on the dog "get dressed up" (1934) may look back to the stiff stand-up shirt collars that in the 1890s were the height of male fashion (and were known as dog-collars at least from 1883), with reference to collars worn by dogs. The common Spanish word for "dog," perro, also is a mystery word of unknown origin, perhaps from Iberian. A group of Slavic "dog" words (Old Church Slavonic pisu, Polish pies, Serbo-Croatian pas) likewise are of unknown origin.

v.

"to track like a dog," 1510s, see dog (n.). Related: Dogged; dogging.

Online Etymology Dictionary, © 2010 Douglas Harper
Idioms and Phrases with dog

dog

In addition to the idioms beginning with dog

  • dog days
  • dog eat dog
  • dog in the manger
  • dog it

also see:

  • coon's (dog's) age
  • every dog has its day
  • go to pot (the dogs)
  • hair of the dog
  • hot dog
  • in the doghouse
  • let sleeping dogs lie
  • put on the dog
  • rain cats and dogs
  • see a man about a dog
  • shaggy dog story
  • sick as a dog
  • tail wagging the dog
  • teach an old dog new tricks
  • throw to the wolves (dogs)
  • top banana (dog)
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.