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 terms of charging power, the Eclipse auto-detects your device's input to charge at as high a speed possible (maxing out at 7.8 amp). Brittney Morgan, House Beautiful, "This Is The Most Stylish Way To Store Your Chargers," 24 Oct. 2018 For a similar waterproof amp-up at a drugstore price, try Covergirl LashBlast Volume Mascara, or Maybelline Volum' Express The Colossal Mascara... Zoë Weiner, Teen Vogue, "Pinterest's Most Popular Mascara is Lancôme Monsieur Big," 10 Aug. 2018 Of those, three ports feature Anker’s PowerIQ and VoltageBoost technologies to charge devices faster (up to 2.4 amps per port). Alexandria Haslam, PCWorld, "The Anker PowerPort 6 Lite 6-port USB hub is $12 today, a savings of $8," 14 Nov. 2018 There was a step-and-repeat with W Hollywood logos, amps, and microphones in the hotel bar area waiting for their debut the following day, and the entire lobby had that hushed hustle a room gets when something is about to go down. Leah Prinzivalli, SELF, "This Is What Actually Goes Down at a Fitness Festival," 27 Oct. 2018 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

Recent Examples on the Web: Verb

The inspiration is obviously the gut-wrenching opening of Steven Spielberg’s Saving Private Ryan, but Avery amps up the story with the sensibilities of a modern video game. Bryan Bishop, The Verge, "Overlord is a gloriously entertaining piece of B-movie schlock," 9 Nov. 2018 Is The Drug amped up the brightness of the overall blush look. Devon Abelman, Allure, "Tracee Ellis Ross Matched Her Lipstick to Her Fuchsia Dress for the Emmy Awards 2018," 17 Sep. 2018 Several officials who had been in the room when Trump amped up the temperature appeared physically exhausted afterward. James Hohmann, Washington Post, "The Daily 202: GOP candidates caught in a bind on Medicaid," 13 July 2018 Especially after the second inning, when the Tigers' young right-hander amped up the bite on his breaking ball and flummoxed the Rangers the next five innings. Shawn Windsor, Detroit Free Press, "Detroit Tigers bet on Michael Fulmer can pay off in ace or prospects," 9 July 2018 Though moisturizer is a year-round beauty staple, amping up your hydration game in the winter is a crucial step in combatting dry skin. Ella Cerón, Teen Vogue, "Best Moisturizers for Winter," 13 Nov. 2018 See, during puberty, the body amps up its levels of androgens, a group of hormones that includes testosterone. Hannah Orenstein, Seventeen, "5 Things You Never Knew About Pubic Hair," 6 Aug. 2018 To toast its milestone this year, Too Faced will also be amping up its original collection with a modern twist. Wendy Sy, Allure, "Too Faced and Drybar Want to Make Your Hair Sparkle With Their New Styling Spray," 25 July 2018 Cumberland also amped up his defense and, in the final games, saw extended time at point guard. Tom Groeschen,, "Recapping UC Bearcats' season and devastating NCAA loss, and a look ahead," 19 Mar. 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

6 Dec 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

More from Merriam-Webster on amp

Rhyming Dictionary: Words that rhyme with amp Encyclopedia article about amp

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