puppy
Americannoun
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a young dog, especially one less than a year old.
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Fox Hunting. a foxhound that has hunted regularly for less than one season.
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pup.
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a presuming, conceited, or empty-headed young man.
noun
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a young dog; pup
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informal a brash or conceited young man; pup
Other Word Forms
Etymology
Origin of puppy
First recorded in 1480–90; earlier popi; see origin at puppet, -y 2
Explanation
A puppy is a baby dog. Unless you're more of a cat person, there's nothing cuter than puppies playing together. When a dog is born, it's a puppy. Puppies, like most mammals, start out very small and quickly grow larger — in fact, some puppies' coats change color as they mature, resulting in a fully grown dog that looks completely different. In the fifteenth century, a puppy was specifically "a woman's small pet dog," from the Middle French poupée, "doll or toy."
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
When Percy was a puppy, he ate mulch.
From The Wall Street Journal • Apr. 27, 2026
The veterinary team brought the puppy inside, examined it and contacted Animal Services.
From Los Angeles Times • Apr. 14, 2026
A puppy is getting a new leash on life after being rescued with life-threatening facial injuries in Pasadena.
From Los Angeles Times • Apr. 7, 2026
Sam is hapless and downwardly mobile, yet he’s as likable as a shy puppy.
From The Wall Street Journal • Mar. 26, 2026
Then he felt the puppy tug on the leash.
From "Mystery Map (The Hardy Boys: Secret Files, #3)" by Franklin W. Dixon
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
