noun (1)
\ˈamp \

Definition of amp 

(Entry 1 of 3)

1 : ampere

2 : amplifier also : a unit consisting of an electronic amplifier and a loudspeaker


amped; amping; amps

Definition of amp (Entry 2 of 3)

transitive verb

1 informal : to make (someone) more excited or energetic : excite, energize Players either get amped by the electricity of the event or founder in the ambient chaos.— Jon Wertheim often used with up When Smith came out to accept her trophy, Bieber smothered her with kisses, and then pumped his fist to amp up the crowd …— Melissa Ruggieri

2 : to make (something) more intense : heighten, intensify The violence is amped by the presence of automatic weapons and gyrating camerawork, but it all feels very familiar.— Kevin Crust usually used with up The fledgling studio that wound up making the film … knew that it had teenage girls in its pocket, and wisely amped up the action scenes in the trailer in an attempt to snag male viewers as well.— Karen ValbyRoasting the pork at a low temperature in a spiced salt mixture amps up the flavor of the meat and makes it extra-tender.— Gabrielle Hamilton

3 : to increase the amount of (something) : raise In this convention year … the stakes have been amped.— Charles McGrath usually used with up As investors get used to steady returns, they start borrowing to amp up gains … and buying increasingly dubious stuff …— Pat Regnier… the producers always need to amp up the stakes, and, this season, there are a few new twists …— Andy Edelstein — see also amped, amped-up


noun (2)
\ˌā-ˌem-ˈpē \

Definition of AMP (Entry 3 of 3)

: a nucleotide C10H12N5O3H2PO4 composed of adenosine and one phosphate group that is reversibly convertible to ADP and ATP in metabolic reactions

called also adenosine monophosphate, adenylic acid

— compare cyclic amp

Examples of amp in a Sentence

Noun (1)

He plugged his guitar into the amp.

Recent Examples on the Web: Noun

In 2017, the amp acts included Red Hot Chili Peppers, Paul Simon, the Outlaw Music Festival with Willie Nelson and Bob Dylan, and two nights with Tom Petty and the Heartbreakers. Piet Levy, Milwaukee Journal Sentinel, "As Summerfest in Milwaukee gets older, the 51-year-old festival is feeling younger," 26 June 2018 The equipment included drums, guitar amps, keys, microphones and mixers. Max Londberg, kansascity, "$100K worth of musical equipment stolen in JoCo belongs to band with 4th of July gig," 29 June 2018 Using multiple pedals degrades your overall signal, creating more cable length running from guitar to amp—and more room for something to go wrong. Henry Robertson, Popular Mechanics, "The Technology in Guitar Pedals Has Reached a New Level of Tonal Bliss," 20 Apr. 2018 Friends, neighbors and family members sprawl into their high-ceilinged living room and out the back door onto the small patio where Greg helped set up a drum set, keyboard, several electric guitars and amps. Jennifer Walter, Milwaukee Journal Sentinel, "Star-spangled traditions: Milwaukee communities come together for July 4th festivities," 4 July 2018 The busker — a familiar furry face around Boston — can often be seen performing near T stations, a little amp by his side. Margeaux Sippell,, "Keytar Bear gets his own Trillium Keytar beer," 12 June 2018 Ninety Nine Restaurant & Pub: Veterans and active military get a free appetizer Wednesday with purchase of any meal. Kelly Tyko, ajc, "Oorah! Where active military, vets can save on Independence Day," 1 July 2018 There were two amp shows with young, chart-topping acts. Piet Levy, Milwaukee Journal Sentinel, "As Summerfest in Milwaukee gets older, the 51-year-old festival is feeling younger," 26 June 2018 The August theme focuses on vintage guitars, amps, vinyl records, CDs, and rock and roll memorabilia. Sheryl Devore, Lake County News-Sun, "Grayslake antique market doubles in size for summer," 25 June 2018

Recent Examples on the Web: Verb

If this occurs, stop the use of the product for a few days and amp up your moisture application. Kathleen Hou, The Cut, "Everything You Need to Know About Face Acids," 12 July 2018 For that occasion, Campbell slipped into sleek Nike sneakers, but today saw her amp up the glamour in metallic python heels. Edward Barsamian, Vogue, "Naomi Campbell Brings Easy Glamour to the Cannes Lions Festival," 20 June 2018 Holidays helped buffer Chinese markets from amped-up U.S.-China trade tensions—at least until Tuesday—but other parts of the Asia-Pacific weren’t so lucky. Kevin Kingsbury, WSJ, "Trade Worries Pervade Asia Markets," 18 June 2018 In the short term, though, Boutros believes McQueen’s Rolex will amp up the value of all Submariners, feeding the watch market’s explosive growth. Cam Wolf, GQ, "Steve McQueen’s Destroyed-in-a-Wildfire Rolex Is Going Up for Auction," 5 June 2018 Image Trendy restaurants that amp up the music generate mixed feelings in diners, attracting some and repelling others. Roni Caryn Rabin, New York Times, "‘I’ll Have the Cake.’ The Music Made Me Do It.," 31 May 2018 Ronson tends to amp up the nighttime feel of these jackets even further with slim black jeans and shiny dress shoes. Megan Gustashaw, GQ, "The Spring Jackets We Can't Stop Repeat-Buying," 1 Mar. 2018 This can also help newsletters with amping up their respective brands, promoting works and authors reflective of their audience’s interests. Rachel King, Fortune, "Book Clubs Are Really Having a Moment Right Now," 2 July 2018 The musical’s book is by Hugh Wheeler, based in part on a nonmusical 1970 stage adaptation by British playwright Christopher Bond, which amped up the story’s psychological elements. Christopher Arnott,, "Terrence Mann Kills It As 'Sweeney Todd' At CT Rep," 26 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'amp.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of amp

Noun (1)

1882, in the meaning defined at sense 1


1972, in the meaning defined above

Noun (2)

1951, in the meaning defined above

History and Etymology for amp

Noun (1)

by shortening

Noun (2)

adenosine monophosphate

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Statistics for amp

Last Updated

11 Oct 2018

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Time Traveler for amp

The first known use of amp was in 1882

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More Definitions for amp

Medical Definition of amp 

(Entry 1 of 2)

1 amperage

2 ampere

3 ampule

4 amputation


\ˌā-ˌem-ˈpē \

Medical Definition of AMP (Entry 2 of 2)

: a nucleotide C10H12N5O3H2PO4 that is composed of adenosine and one phosphate group and is reversibly convertible to ADP and ATP in metabolic reactions

called also adenosine monophosphate

— compare cyclic amp

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