1

dog

noun, often attributive \ ˈdȯg , ˈdäg \
Updated on: 16 Nov 2017

Definition of dog

1 a :canid
  • wolves, foxes, and other dogs
; especially :a highly variable domestic mammal (Canis familiaris) closely related to the gray wolf
  • the family's pet dog
b :a male dog
  • dogs and bitches
; also :a male usually carnivorous mammal
2 a :a worthless or contemptible person
b :fellow, chap
  • a lazy dog
  • you lucky dog
3 a :any of various usually simple mechanical devices for holding, gripping, or fastening that consist of a spike, bar, or hook
b :andiron
4 :uncharacteristic or affected stylishness or dignity
  • put on the dog
5 capitalized, astronomy :either of the constellations Canis Major or Canis Minor
6 dogs plural, anatomy :feet
  • rest his tired dogs
7 dogs plural :ruin
  • going to the dogs
8 :one inferior of its kind
  • the movie was a dog
: such as
a :an investment not worth its price
b :an undesirable piece of merchandise
9 :an unattractive person; especially :an unattractive girl or woman
10 :hot dog 1
  • bought two dogs and a beer

doglike

play \ˈdȯg-ˌlīk\ adjective

Examples of dog in a Sentence

  1. That dog barks all day long.

  2. children playing with the family dog

  3. wild dogs such as the Australian dingo

  4. They say she's a real dog.

  5. Her latest book turned out to be a real dog.

  6. That was a dog of a movie.

Recent Examples of dog from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'dog.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Illustration of dog

Origin and Etymology of dog

Middle English, from Old English docga

Other Mammals Terms


2

dog

adjective

Definition of dog

1 :canine
  • dog breeders
  • a dog collar
2 :having an inferior or inauthentic quality :spurious
  • dog rhyme
; especiallylanguages :unlike that used by native speakers or writers
  • dog Latin
  • dog French

Recent Examples of dog from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'dog.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of dog

see 1dog


3

dog

verb

Definition of dog

dogged play \ˈdȯgd, ˈdägd\; dogging
1 a :to hunt, track, or follow like a hound
  • dogged her every move
b :to worry as if by pursuit with dogs :plague
  • dogged by his past failures
c :to bother or pester persistently
  • dogged him about his grades
2 :to fasten with a simple mechanical device consisting of a spike, bar, or hook :to fasten with a dog (see 1dog 3a)
  • dogged down the hatch
dog it
transitive verb
:to fail to do one's best :goldbrick

Examples of dog in a Sentence

  1. He dogged her every move.

  2. Creditors dogged him until he finally paid his bills.

Recent Examples of dog from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'dog.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of dog

see 1dog

dog Synonyms

Synonyms
bird-dog, chase, course, follow, hound, pursue, run, shadow, tag, tail, trace, track, trail
Antonyms
guide, lead, pilot
Related Words
accompany, chaperone (or chaperon), escort; hunt, search (for), seek; eye, observe, watch
Near Antonyms
head

4

dog

adverb

Definition of dog

:extremely, utterly
  • dog-tired

Origin and Etymology of dog

see 1dog


DOG Defined for Kids

1

dog

noun \ ˈdȯg \

Definition of dog for Students

1 :a domestic animal that eats meat and is closely related to the wolves
2 :any of the group of mammals (as wolves, foxes, and jackals) to which the domestic dog belongs
3 :person 1
  • You lucky dog!

doglike

\ˈdȯ-ˌglīk\ adjective

2

dog

verb

Definition of dog for Students

dogged; dogging
1 :to hunt, track, or follow like a hound
  • I dogged them all the way.
2 :pester
3 :to cause problems for
  • Injuries dogged the team.

Medical Dictionary

dog

noun, often attributive \ ˈdȯg \

medical Definition of dog

:a highly variable carnivorous domesticated mammal of the genus Canis (C. familiaris) closely related to the common wolf (Canis lupus); broadly :any member of the family Canidae

Illustration of dog



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