am·​pli·​fy | \ ˈam-plə-ˌfī How to pronounce amplify (audio) \
amplified; amplifying

Definition of amplify

transitive verb

1 : to expand (something, such as a statement) by the use of detail or illustration or by closer analysis
2a : to make larger or greater (as in amount, importance, or intensity) : increase
b : to increase the strength or amount of especially : to make louder
c : to cause (a gene or DNA sequence) to undergo amplification

intransitive verb

: to expand one's remarks or ideas

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Choose the Right Synonym for amplify

expand, amplify, swell, distend, inflate, dilate mean to increase in size or volume. expand may apply regardless of the manner of increase (such as growth, unfolding, addition of parts). a business that expands every year amplify implies the extension or enlargement of something inadequate. amplify the statement with details swell implies gradual expansion beyond a thing's original or normal limits. the bureaucracy swelled to unmanageable proportions distend implies outward extension caused by pressure from within. a distended abdomen inflate implies expanding by introduction of air or something insubstantial and suggests a vulnerability to sudden collapse. an inflated ego dilate applies especially to expansion of circumference. dilated pupils

Examples of amplify in a Sentence

amplify a weak radio signal a receiver that amplified the television signal using spices to amplify the flavors of the food
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Recent Examples on the Web The purpose of the organization is to amplify the voices of people of color in entertainment. Matthew J. Palm,, 29 July 2021 Now, Harry and Meghan are seeking to amplify the voices of those accusing the Society of Editors of not showing genuine commitment to change. Victoria Murphy, Town & Country, 26 July 2021 Facebook, Instagram, and YouTube turbocharge their profits by using algorithms to amplify and recommend emotionally engaging content. Roger Mcnamee, Wired, 24 July 2021 As Treslúce Beauty grows, Becky plans on highlighting Latinx activists and artists in her campaigns and using the brand's platform to amplify issues of diversity, equity and inclusion. Morgan Smith,, 23 June 2021 One musician is using his platform as an artist to amplify the call for reparations, embarking upon a journey of discovery across America to uncover what is needed to repair Black communities in this country. Micah Hendler, Forbes, 20 June 2021 And while Biden's own Twitter account, in a sharp break from Trump's social media habits, usually offers rote postings, his chief of staff Ron Klain has become a frequent tweeter, using the platform to amplify messages and critique opponents. Jonathan Lemire And Alexandra Jaffe, Star Tribune, 5 Mar. 2021 Black people, creators and activists time and time again are saying these very same things and using their platform to amplify these injustices. Rasha Ali, USA TODAY, 25 Feb. 2021 This year, Facebook took down more than 500 pages and accounts linked to Truth Media, a network of anti-China pages that had been using fake accounts to amplify their messages. Kevin Roose, New York Times, 24 Oct. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'amplify.' 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 amplify

14th century, in the meaning defined at transitive sense 1

History and Etymology for amplify

Middle English amplifien "to enlarge, increase," borrowed from Middle French & Latin; Middle French amplifier, borrowed from Latin amplificāre "to increase the size of, augment," from amplus "more than adequate in size or extent, ample" + -i- -i- + -ficāre -fy

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Learn More About amplify

Time Traveler for amplify

Time Traveler

The first known use of amplify was in the 14th century

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Dictionary Entries Near amplify



amplifying host

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Last Updated

2 Aug 2021

Cite this Entry

“Amplify.” Dictionary, Merriam-Webster, Accessed 6 Aug. 2021.

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More Definitions for amplify



English Language Learners Definition of amplify

: to increase the strength of (an electric signal)
: to make (something, such as a musical instrument) louder by increasing the strength of electric signals
formal : to give more information about (something, such as a statement) : to speak or write about (something) in a more complete way


am·​pli·​fy | \ ˈam-plə-ˌfī How to pronounce amplify (audio) \
amplified; amplifying

Kids Definition of amplify

1 : to make louder or greater A megaphone amplifies your voice.
2 : to give more information about amplify a statement

Other Words from amplify

amplification \ ˌam-​plə-​fə-​ˈkā-​shən \ noun


transitive verb
am·​pli·​fy | \ -ˌfī How to pronounce amplify (audio) \
amplified; amplifying

Medical Definition of amplify

1 : to make larger or greater (as in amount or intensity)
2 : to increase the strength or amount of especially : to make louder
3 : to cause (a gene or DNA sequence) to undergo amplification

More from Merriam-Webster on amplify

Nglish: Translation of amplify for Spanish Speakers

Britannica English: Translation of amplify for Arabic Speakers


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