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  • prep
    prep
    noun
  • PrEP
    PrEP
    noun
    pre-exposure prophylaxis: the prevention of a disease such as HIV or hepatitis A through the use of pills or vaccine, administered typically to those whose risk of contracting the disease is substantial.
  • prep.
    prep.
    abbreviation
    preparation.
Synonyms

prep

1 American  
[prep] / prɛp /

noun

  • preps
    plural
  1. preparatory school.

  2. a preliminary or warm-up activity or event; trial run.

    The race is a good prep for the Kentucky Derby.

  3. preparation.

    dealer prep on the car included.

  4. the act of preparing a patient for a medical or surgical procedure.


adjective

  1. preparatory.

    a prep school.

  2. involving or used for preparation.

    the mortuary's prep room.

verb (used with object)

prepped, prepping
  1. to prepare (a person) for a test, debate, etc.

  2. to prepare (a patient) for a medical or surgical procedure, as by shaving and washing the skin with an antibacterial soap.

  3. to prepare (a vehicle or craft) for sale, use, a test drive, or a race.

  4. to prepare (something); make ready.

    You can prep the onions and peppers in advance.

verb (used without object)

prepped, prepping
  1. to prepare; get ready.

    to prep for the game.

  2. to attend a preparatory school.

PrEP 2 American  
[prep] / prɛp /

noun

Medicine/Medical.
  1. pre-exposure prophylaxis: the prevention of a disease such as HIV or hepatitis A through the use of pills or vaccine, administered typically to those whose risk of contracting the disease is substantial.


prep. 3 American  

abbreviation

  1. preparation.

  2. preparatory.

  3. prepare.

  4. preposition.


prep. 1 British  

abbreviation

  1. preparation

  2. preparatory

  3. preposition

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

prep 2 British  
/ prɛp /

noun

  1. informal short for preparation preparatory school

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

verb

  1. (tr) to prepare (a patient) for a medical operation or procedure

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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.

Other Word Forms

Noun Inflected Forms

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.

See Examples For:

Although some larger high schools now run their athletics departments like college programs, the basic issues in covering a prep sports event remain unchanged.

From Los Angeles Times Aug. 23, 2026

"I thought our prep was spot-on, no excuses."

From BBC Aug. 16, 2026

I gave them another try recently, when suffering through colonoscopy prep.

From The Wall Street Journal Aug. 6, 2026

This last week, getting to direct a piece that I wrote, was even more fun because I’d pictured it already in my mind when I was writing it, which is a form of prep.

From Los Angeles Times Aug. 6, 2026

We got home, and Uncle Frank asked Carmen to help prep dinner.

From "The Epic Fail of Arturo Zamora" by Pablo Cartaya

“A lot of the programs and community services and networks that the world relied on to deliver HIV/AIDS treatment and PrEP have been dismantled or abandoned for lack of funding for a year,” Maybarduk says.

From Los Angeles Times Apr. 9, 2026

The US government has already slashed other longstanding HIV/AIDS prevention programs including for PrEP, which had been encouraged to prevent HIV among people engaged in high-risk activities.

From Barron's Nov. 18, 2025

Other factors such as homelessness can make it difficult to take oral PrEP every day.

From BBC Nov. 8, 2025

It's PrEPHer program, named after the preventative medication protecting against HIV transmission, seeks to provide Black and brown women with education on sexual health, encourage PrEP usage and connect them with resources.

From Salon Mar. 31, 2025

Among those on the chopping block were grants related to PrEP, the regimen of drugs that can thwart HIV infection, scientists told the New York Times.

From Los Angeles Times Mar. 29, 2025

“There’s no such thing as too much site prep. The more you can prepare an area, the better it’s going to look later on,” he says.

From Seattle Times Mar. 17, 2023

“We really connected more on the mental side of it. The prep. How much it takes to be prepared,” he said.

From Fox News Jan. 26, 2020

“And it really doesn’t cost a lot to start a prep. I mean, you started with one printer.”

From The Verge Nov. 14, 2019

“This time, Mayor Pete cleared his schedule to focus on debate prep. He’s not even going to make it to T-ball practice or Timmy’s pizza party,” Triumph observed.

From Washington Times Jul. 29, 2019

The others were wild at getting extra prep. this morning.

From The Jolliest Term on Record A Story of School Life by Angela Brazil

She preps "summer baskets" which include puzzle books, reading books and snacks to curb any boredom.

From BBC Jul. 24, 2026

The co-founders likened it to the way a restaurant kitchen preps ingredients in bulk—chopped vegetables, sauces—that can be used in cooking many types of dishes.

From The Wall Street Journal May 5, 2026

"The crew just shared a peaceful breakfast with our families and we jump back into training tomorrow to start our preps for a March launch to the Moon."

From Barron's Feb. 3, 2026

The Escambia High coach had been in the South Florida preps scene long enough to know what he was seeing from his new running back.

From Los Angeles Times Sep. 11, 2025

Leevy, who was my neighbor back in 12, gives a cautious hello to the preps, and Gale’s mother, Hazelle, who must know about their imprisonment, holds up a spoonful of the stew.

From "Mockingjay" by Suzanne Collins

A Niçoise salad is a meal in itself that can be prepped ahead of time, and multiplied to feed many.

From The Wall Street Journal Jul. 7, 2026

"I was literally being prepped to go into surgery when I first found out online that was happening," he said.

From Barron's Jun. 29, 2026

"The heat is staying regardless and it will be the same next year, so people need to get prepped and book ahead," he said.

From BBC Jun. 26, 2026

Then, while the paper was being prepped for publication, BP began aggressively promoting the ideas it contained.

From Salon Jun. 26, 2026

I prepped the tables and bunks for holding the weight of soil, and even put the dirt in place.

From "The Martian" by Andy Weir

Ahead of the album’s release, Rideaux, Asghedom and their teams are prepping to host “The Prolific Experience”— a playback session and panel discussion at The Novo in downtown Los Angeles.

From Los Angeles Times Aug. 12, 2026

Fluhler said that, for the time being, staff members are prepping around two-thirds of what they were before, a move that’s helped lower costs, since the owners don’t have to buy those products.

From MarketWatch Jul. 18, 2026

It quickly became my default and it works for single servings or meal prepping, if you don’t want to worry about lunch for a few days.

From Salon Apr. 28, 2026

For students prepping for life after college, it’s an agonizing challenge: Internships are becoming more critical to landing that first job—yet are getting harder to come by.

From The Wall Street Journal Apr. 25, 2026

Mine was marked by aloof boys, prepping for the SATs, and a looming fear of deportation.

From "Americanized" by Sara Saedi

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