Definition of dog
(Entry 1 of 4)
3a
: 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
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 sense 1
bought two dogs and a beer
dog
adjectiveDefinition of dog (Entry 2 of 4)
dog
verbDefinition of dog (Entry 3 of 4)
1a
: to hunt, track, or follow (someone) like a hound
dogged her every move
b
: to be a persistent source of difficulty or distress to (someone) : plague
Rumors dogged him throughout his public life.— Howard Chua-Eoan
—often used in the passive with by Their star pitcher has been dogged by injuries.The project has been dogged by controversy.
c
: to bother or pester (someone) persistently : hound
Reporters dogged her for information.
2
: to fasten (something) with a dog (see dog entry 1 sense 3a)
dogged down the hatch
dog it
: to fail to do one's best : goldbrick
dog
adverbDefinition of dog (Entry 4 of 4)
Buying Guide
Our team at The Usage has selected the best dog leashes.
Test Your Vocabulary
Name that Thing: Flower Edition
-

- Name that flower

Test your visual vocabulary with our 10-question challenge!
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged

















Share dog
Time Traveler for dog
The first known use of dog was before the 12th century
See more words from the same century