That dog is really friendly.

A term used to describe a male dog, often used informally.
My dog loves to play fetch.
That dog barks loudly at strangers.
He takes his dog for a walk every morning.
big dog
friendly dog
pet dog
pooch
canine
pup
The dog barked loudly.

A domesticated animal that is often kept as a pet or used for work.
My dog loves to play fetch.
She takes her dog for a walk every morning.
The dog wagged its tail happily.
pet dog
service dog
stray dog
puppy
canine
hound
My dog loves to play fetch.

A common domesticated animal known for being a pet and often a companion to humans.
My dog barks at strangers.
She takes her dog for a walk every morning.
The dog loves to chase squirrels.
pet dog
trained dog
friendly dog
puppy
canine
pooch
The detective decided to dog the suspect.

To follow someone closely or to track someone.
She decided to dog her friend to see where he was going.
The journalist will dog the politician during the campaign.
He felt uneasy knowing someone was dogging his every move.
dog someone
dog a suspect
dog someone's steps
follow
trail
shadow