noun (1)
\ ˈamp How to pronounce amp (audio) \

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 How to pronounce AMP (audio) \

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 DiAngelo bought her first turntable over the holidays, and hopes to get speakers to pair with an amp soon. Randall Roberts, Los Angeles Times, 5 Jan. 2022 So the ideas are for a new beach and amp theater seating, kind of like Lakewood SOLs to steps. Laura Johnston, cleveland, 21 July 2022 This very capable amp could power much larger speakers but is refined enough for high fidelity listening in any room. Sophie Dweck, Town & Country, 10 June 2022 Before long, Keystone showed up with his guitar and an amp and played his heart out before taking his turn in the barber’s chair — a castaway office recliner on wheels — and getting a haircut under a eucalyptus tree. Los Angeles Times, 18 June 2022 Despite its compact size, the Emberton II packs as much punch per gram as a Marshall guitar amp. Mark Sparrow, Forbes, 15 June 2022 Support his love for music with a sleek, stylish rockstar of a Bluetooth speaker with the Marshall Emberton model, fashioned after a guitar amp. Brittany Vincent, SELF, 14 June 2022 The long-range F150 Lightning can charge even faster, pulling up to 19.2 kW for its 80 amp dual charging system, which is about how much power 3-4 homes draw on average. Joshua Rhodes, Forbes, 20 May 2022 Oregon voters can look forward to hearing more about the 2022 governor’s race in coming weeks, as candidates start to amp up advertising and look to set themselves apart in debates. oregonlive, 12 Mar. 2022 Recent Examples on the Web: Verb After years of cutbacks and service tumult, the country’s freight rail workers are pushing to strike, which could further clog supply chain networks and amp up political heat on a White House already under the microscope for economic woes. Eli M. Rosenberg, NBC News, 19 July 2022 Flavor profile: tropical spice Inspired by Hawaiian teriyaki, this dry rub is rich with sweet pineapple flavor while soy sauce powder, chile flakes and cayenne amp up the salty spiciness for an amazing balanced bite. Becca Miller, Good Housekeeping, 30 June 2022 This will help you amp up your speed or maintain your pace at the end of a race. Ali Nolan, SELF, 16 June 2022 When in doubt, rely on googly eyes to amp up your Halloween decor. Monique Valeris, Good Housekeeping, 27 June 2022 Union has always had luminous skin, but makeup artist Esther Edeme has managed to amp up her glow. Gabi Thorne, Allure, 23 June 2022 Bandile shouted while fiercely turning knobs behind the deck to amp up party-goers even further. Isabela Raygoza, Rolling Stone, 22 June 2022 HBO Max also plans to amp up its live sports offer after drawing massive viewership with games from the UEFA Champions League and the Paulista championship in Brazil and Mexico. Anna Marie De La Fuente, Variety, 17 Mar. 2022 To infuse your meat with more flavor before boiling it in savory stock, a simple marinade the night before serving or even a few hours before will amp it up. Magdalena O'neal, Sunset Magazine, 10 Mar. 2022 See More

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.

First Known Use of amp

Noun (1)

1882, in the meaning defined at sense 1


1985, in the meaning defined at sense 2

Noun (2)

1943, in the meaning defined above

History and Etymology for amp

Noun (1)

by shortening

Noun (2)

adenosine monophosphate

Buying Guide

Our Reviews team has selected the best headphones.

Learn More About amp

Dictionary Entries Near amp




See More Nearby Entries 

Statistics for amp

Last Updated

10 Aug 2022

Cite this Entry

“Amp.” Dictionary, Merriam-Webster, Accessed 11 Aug. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More Definitions for amp



Medical Definition of amp

 (Entry 1 of 2)

1 amperage
2 ampere
3 ampule
4 amputation


\ ˌā-ˌem-ˈpē How to pronounce AMP (audio) \

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 Encyclopedia article about amp


Test Your Vocabulary

Words Named After People

  • name tags
  • Namesake of the leotard, Jules Léotard had what profession?
Spell It

Can you spell these 10 commonly misspelled words?

Universal Daily Crossword

A daily challenge for crossword fanatics.

Love words? Need even more definitions?

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