A domesticated carnivorous mammal (Canis lupus familiaris) that typically has a long snout, an acute sense of smell, and a barking, growling, or whining voice, often used as a pet or for work.
My dog loves to fetch the ball when I throw it.
A person who is regarded with contempt or dislike.
He treated his friends poorly, and now they think of him as a dog.
A male dog, especially a hound or a working dog.
The dog was bred for its hunting abilities.
Any of various mammals resembling a dog, including the wolf, fox, and jackal.
The wolf is a wild ancestor of the domestic dog.
An obnoxious or offensive person.
You’re such a dog for making fun of her in front of everyone.
verb
To follow or track (someone) closely and persistently.
The reporter dogged the celebrity for weeks.
To waste time; to idle.
He was just dogging around the office instead of getting his work done.
Etymology
The word 'dog' comes from Old English 'docga', a term of uncertain origin.
Common Phrases and Expressions
dog days
The hottest days of summer.
reach for the dog
To strive for something unattainable.
dog tired
Extremely tired; exhausted.
barking up the wrong tree
To pursue a mistaken or misguided course of action.