pet

1 of 8

noun (1)

Synonyms of petnext
1
: a domesticated animal kept for pleasure rather than utility
2
a
: a pampered and usually spoiled child
b
: a person who is treated with unusual kindness or consideration : darling

pet

2 of 8

adjective

1
: kept or treated as a pet
2
: expressing fondness or endearment
a pet name
3
: favorite
a pet project

pet

3 of 8

verb (1)

petted; petting

transitive verb

1
a
: to treat as a pet
b
: to stroke in a gentle or loving manner
2
: to treat with unusual kindness and consideration : pamper

intransitive verb

: to engage in amorous embracing, caressing, and kissing : neck
petter noun

pet

4 of 8

noun (2)

dated
: a fit of peevishness, sulkiness, or anger
resigned in a pet

pet

5 of 8

verb (2)

petted; petting

intransitive verb

: to take offense : sulk

pet

6 of 8

abbreviation (1)

petroleum

Pet

7 of 8

abbreviation (2)

Peter

PET

8 of 8

abbreviation (3)

positron-emission tomography

Examples of pet in a Sentence

Noun (1) the teacher's pet was always getting special privileges Adjective The mayor's pet project has been the construction of a new high school. spent my free time on my pet project Verb (1) a cat who loves to be petted Noun (2) the teenager stalked off in a pet after being refused permission to go the movies
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
The shelter receives 30 calls and emails a day from people finding animals on the street or giving up their pets, which has become more common as South Floridians struggle with higher costs of living. Amanda Rosa april 9, Miami Herald, 9 Apr. 2026 Coolers with food and non-alcoholic drinks are allowed into the show as well as chairs and beach umbrellas, but pets are prohibited. Patrick Connolly, The Orlando Sentinel, 8 Apr. 2026
Adjective
Every pet owner needs this collapsible dog dinner set, complete with two food storage containers, two silicone bowls, a silicone scoop, and a ripstop polyester placemat. Christina Shepherd McGuire, PEOPLE, 11 Apr. 2026 Car Interiors From crumbs in cupholders to pet hair on seats, car interiors are full of small, frustrating messes. Jamie Cuccinelli, Martha Stewart, 11 Apr. 2026
Verb
Attendees wearing cowboy hats line danced, petted fluffy white calves and posed for pictures in front of an inflated cactus. Seema Mehta, Los Angeles Times, 12 Apr. 2026 Most of the therapy visits are in group settings, where students are encouraged to sit on the floor and are free to pet, play with and hug the dogs. Mikayla Bunnell, Hartford Courant, 11 Apr. 2026 See All Example Sentences for pet

Word History

Etymology

Noun (1)

perhaps back-formation from Middle English pety small — more at petty

Noun (2)

origin unknown

First Known Use

Noun (1)

1710, in the meaning defined at sense 2

Adjective

1584, in the meaning defined at sense 1

Verb (1)

1629, in the meaning defined at transitive sense 1a

Noun (2)

1581, in the meaning defined above

Verb (2)

1629, in the meaning defined above

Time Traveler
The first known use of pet was in 1581

Browse Nearby Words

Cite this Entry

“Pet.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pet. Accessed 13 Apr. 2026.

Kids Definition

pet

1 of 4 noun
1
: someone given special treatment or consideration
teacher's pet
2
: a tame animal kept for pleasure rather than for use

pet

2 of 4 adjective
1
: kept or treated as a pet
a pet rabbit
2
: showing fondness
a pet name
3
: favorite entry 2
my pet project

pet

3 of 4 verb
petted; petting
1
2
: to treat as a pet : pamper
3
: to engage in embracing, caressing, and kissing

pet

4 of 4 noun
: a spell of sulkiness or anger

Medical Definition

PET

abbreviation
positron-emission tomography

More from Merriam-Webster on pet

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster