Definition of dog
(Entry 1 of 4)
b
: a male dog
dogs and bitches
also
: a male usually carnivorous mammal
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
adjective