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Synonyms

amplify

American  
[am-pluh-fahy] / ˈæm pləˌfaɪ /

verb (used with object)

  • amplifies,
    present (3rd person singular)
  • amplified,
    past participle,  past
  • amplifying
    present participle
  1. to make larger, greater, or stronger; enlarge; extend.

    Synonyms:
    heighten, intensify, increase
    Antonyms:
    reduce, contract
  2. to expand in stating or describing, as by details or illustrations; clarify by expanding.

    Synonyms:
    develop, broaden, widen
    Antonyms:
    abridge, condense
  3. Electricity. to increase the amplitude of; cause amplification in.

  4. Archaic. to exaggerate.


verb (used without object)

  • amplifies,
    present (3rd person singular)
  • amplified,
    past participle,  past
  • amplifying
    present participle
  1. to discourse at length; expatiate or expand one's remarks, speech, etc. (usually followed byon ).

    The preacher amplified on the theme of brotherly love.

amplify British  
/ ˈæmplɪˌfaɪ /

verb

  1. (tr) to increase in size, extent, effect, etc, as by the addition of extra material; augment; enlarge; expand

  2. electronics to produce amplification of (electrical signals); increase the amplitude of (signals)

  3. (tr) to exaggerate

  4. (intr) to expand or enlarge a speech, narrative, etc

"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

Other Word Forms

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Inflected Forms

Participles

Conjugated Forms

Present

Past

Future

Etymology

Origin of amplify

First recorded in 1375–1425; late Middle English amplifyen, from Middle French amplifier, from Latin amplificāre “to increase, augment”; equivalent to ample + -ify

Explanation

The verb amplify means to crank up the volume. Speakers amplify, or raise, the volume of the noise coming through a microphone so that everyone at the rock show can hear. Amplify comes from the Old French word amplifier meaning "to enlarge or expand." It refers to making a sound “expand,” but it can also crank up something like a disagreement — if you spread rumors, you might amplify an argument. It can “enlarge” an idea — if you don't realize how bad your health is, your doctor might amplify your test results by explaining them to you in simple, and possibly frightening terms.

Keep Reading on Vocabulary.com

Vocabulary lists containing amplify

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:

Kudler says the isolation of being aboard a ship, with moments of prolonged boredom followed by "extreme alertness", can amplify mental-health struggles.

From BBC Aug. 18, 2026

In China, a huge bulge of working-age people helped amplify sweeping economic reforms that turbocharged its economy starting in the 1980s.

From The Wall Street Journal Aug. 15, 2026

After collecting the cells, the team removes the material from the brushes and uses forensic-level, next-generation sequencing technologies to isolate and amplify genetic sequences.

From Science Daily Aug. 11, 2026

“State tax credits have been the most instrumental tool to keep production local, and we want to amplify their success to make clear to the industry: LA County wants you here,” she added.

From Los Angeles Times Aug. 5, 2026

Ebola could shut down a hospital; it could amplify itself in a hospital.

From "The Hot Zone" by Richard Preston

“Workers see the headlines, hear about their friends. Crucially they hear about workers having incredibly hard times getting back into jobs, which amplifies the risk of being laid off,” he said.

From MarketWatch Aug. 10, 2026

The Rumbler interacts with a standard police siren, which generates around 110 to 120 decibels, and amplifies that sound through its speakers in eight-second intervals.

From Los Angeles Times Aug. 10, 2026

“This conference room is now fair game for solo work and small group calls” costs nothing to say and immediately amplifies agency.

From The Wall Street Journal Jun. 14, 2026

Stirred into a mushroom stroganoff, it amplifies the fungi’s naturally meaty qualities.

From Salon Jun. 2, 2026

Bobby Ryan amplifies her point: “We’re not typical theater kids, and we don’t want to be typical theater kids.”

From "Drama High" by Michael Sokolove

When Los Angeles Mayor Karen Bass amplified the results last week of a favorable political poll that turned out to be fake, she was inadvertently following in the footsteps of conservative Detroit singer Kid Rock.

From Los Angeles Times Aug. 18, 2026

"Loud amplified music late into the evening will disrupt sleep for those who have no choice but to remain at home," she added.

From BBC Aug. 18, 2026

Lindelof’s involvement, along with that of “Supergirl: Woman of Tomorrow” series author Tom King, signals a seriousness of intent amplified by the placing the series’ showrunner stewardship under “True Detective” and “Ozark” producer Chris Mundy.

From Salon Aug. 14, 2026

Nintendo began selling the Switch 2 console in June last year, aiming to build on the success of the console’s predecessor, whose popularity was amplified by a pandemic-driven videogame boom.

From The Wall Street Journal Aug. 6, 2026

And how at night the bush crickets had sounded like creaking stars and amplified the fear and gloom that hung over the Ayemenem House.

From "The God of Small Things" by Arundhati Roy

The tabloid Daily Mail's Sarah Vine blamed social media for amplifying the story.

From Barron's Aug. 19, 2026

Kairi’s scenes are often accompanied by the powerful score from composer Yoko Shimomura, amplifying the emotion that has driven the games’ fanbase for more than two decades.

From Los Angeles Times Aug. 17, 2026

“This is especially the case given the U.S. holiday on Friday, when liquidity conditions will be a lot thinner, amplifying the impact of any intervention.”

From MarketWatch Jul. 2, 2026

Without soil moisture to evaporate, solar energy goes entirely into baking the ground, thereby amplifying temperatures.

From BBC Jul. 2, 2026

Adjoining the den was a furnace room, which contained a tool-littered table piled with some of his other works-in- progress—an amplifying unit, an elderly wind-up Victrola that he was restoring to service.

From "In Cold Blood" by Truman Capote

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