prep
1 Americannoun
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a preliminary or warm-up activity or event; trial run.
The race is a good prep for the Kentucky Derby.
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preparation.
dealer prep on the car included.
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the act of preparing a patient for a medical or surgical procedure.
adjective
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preparatory.
a prep school.
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involving or used for preparation.
the mortuary's prep room.
verb (used with object)
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to prepare (a person) for a test, debate, etc.
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to prepare (a patient) for a medical or surgical procedure, as by shaving and washing the skin with an antibacterial soap.
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to prepare (a vehicle or craft) for sale, use, a test drive, or a race.
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to prepare (something); make ready.
You can prep the onions and peppers in advance.
verb (used without object)
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to prepare; get ready.
to prep for the game.
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to attend a preparatory school.
noun
abbreviation
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preparation.
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preparatory.
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prepare.
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preposition.
abbreviation
-
preparation
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preparatory
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preposition
noun
verb
Usage
What else does prep mean? Preps are people who live a preppy lifestyle, associated with young, rich, usually white men and their stereotypical fashion.
Etymology
Origin of prep
First recorded in 1860–65; by shortening
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.
"Whether you're living with a partner, housemate, or family, your daily interactions -- from hugging, kissing and sharing food prep spaces -- may encourage the exchange of gut microbes," said Dr. Lee.
From Science Daily • Apr. 13, 2026
While worries about the tax prep business’s long-term viability are real, there’s reason to believe investors may be overreacting.
From Barron's • Apr. 6, 2026
Gray, who’s been watching since he was 12, doesn’t do any prep work.
From The Wall Street Journal • Apr. 1, 2026
That especially goes for married couples filing jointly, even if one partner typically takes care of all the prep work.
From MarketWatch • Apr. 1, 2026
The two other boys, classmates in a Manhattan prep school, exit the lobby together.
From "You Bring the Distant Near" by Mitali Perkins
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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.