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harmonize

American  
[hahr-muh-nahyz] / ˈhɑr məˌnaɪz /
especially British, harmonise

verb (used with object)

  • harmonizes,
    present (3rd person singular)
  • harmonized,
    past participle,  past
  • harmonizing
    present participle
  1. to bring into harmony, accord, or agreement.

    to harmonize one's views with the new situation.

    Synonyms:
    compose, reconcile
  2. Music. to accompany with appropriate harmony.


verb (used without object)

  • harmonizes,
    present (3rd person singular)
  • harmonized,
    past participle,  past
  • harmonizing
    present participle
  1. to be in agreement in action, sense, or feeling.

    Though of different political parties, all the delegates harmonized on civil rights.

    Synonyms:
    accord, agree
  2. to sing in harmony.

harmonize British  
/ ˈhɑːməˌnaɪz /

verb

  1. to make or become harmonious

  2. (tr) music to provide a harmony for (a melody, tune, etc)

  3. (intr) to sing in harmony, as with other singers

  4. to collate parallel narratives

"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

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Etymology

Origin of harmonize

First recorded in 1475–85; late Middle English, also armonise, from Middle French harmoniser, equivalent to harmonie + -iser, verb suffix; see harmony, -ize

Explanation

When you harmonize different opinions or ideas, you bring them to some kind of agreement. It's challenging to harmonize the different interests of a whole classroom full of children, but that's part of what a good teacher does. When senators from different parties work together on a bill, they need to harmonize their different expectations and and priorities before they can come up with a good compromise. Another way to harmonize is to blend two singing voices or two instruments in a way that sounds pleasing. This is the oldest meaning of the word, which ultimately comes from the Greek harmonia, "concord of sounds" or "agreement."

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Vocabulary lists containing harmonize

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:

Regulators have been working on finalizing new capital standards for banks for years, the culmination of an international effort to harmonize capital requirements after the 2008 financial crisis.

From Barron's Jun. 29, 2026

The mushy score, absurdly pompous speeches, and Victorian staginess harmonize with Mr. Fraser’s conception of his role as the emoter in chief.

From The Wall Street Journal May 28, 2026

A combined company would also have to integrate complex union seniority lists; harmonize a massive fleet, which comprises both Boeing and Airbus jets; and face a web of co-branded card programs offered by each airline.

From MarketWatch Apr. 14, 2026

"One of the technical advances that we made in this work is to figure out how to harmonize all these different data modalities so they can come together to learn the same language," Zou said.

From Science Daily Jan. 9, 2026

And a man couldn’t harmonize with his crewmates unless he opened his heart to them.

From "The Boys in the Boat: Nine Americans and Their Epic Quest for Gold at the 1936 Berlin Olympics" by Daniel James Brown

Designed by Snøhetta and inspired by the 26th president’s love for the American wilderness, the new building is a moving work of architecture that harmonizes with its North Dakota landscape setting.

From The Wall Street Journal Jul. 29, 2026

She harmonizes while he sketches out a new song called “Blowin’ in the Wind.”

From Los Angeles Times Feb. 3, 2025

“I am happy to see the CDC guidance that harmonizes the approach and gives people concrete information of what they can do everyday,” said Dean Sidelinger, Oregon’s state epidemiologist.

From Seattle Times Mar. 4, 2024

Frontman Tony Lewis's voice is dynamic and empathetic, and he frequently harmonizes with guitarist-keyboardist John Spinks, creating lovely vocal flourishes.

From Salon Jul. 4, 2023

When a sentence gets complicated, though, even a literate writer can lose track of how each branch in a coordination harmonizes with the rest of the tree.

From "The Sense of Style" by Steven Pinker

The harmonized annual rate of inflation decelerated to 3.0% in December from 3.2% in November.

From The Wall Street Journal Dec. 30, 2025

The eurozone’s final harmonized CPI data for November is scheduled for Wednesday.

From The Wall Street Journal Dec. 12, 2025

Listen to his tightly harmonized vocals in “Send It On” or to the gorgeously murky electric piano in “One Mo’Gin” or to the knotty percussive crosstalk in “Sugah Daddy.”

From Los Angeles Times Oct. 15, 2025

Preclinical Brain Injury MRI -- A harmonized dataset of 343 diffusion MRI scans from four research centers, standardized across protocols and aligned for comparability.

From Science Daily Oct. 13, 2025

Otto and TimeStar yelled at once, their voices perfectly harmonized, almost indistinguishable.

From "The Last Last-Day-of-Summer" by Lamar Giles

Among them: unifying capital markets, harmonizing corporate regulations and coordinating research and development spending.

From The Wall Street Journal Feb. 21, 2026

Luka Doncic, LeBron James and Austin Reaves each starred in their solo parts while harmonizing almost perfectly together to propel the Lakers to their fifth consecutive win.

From Los Angeles Times Nov. 29, 2025

Each element should layer on top of the others, sometimes harmonizing, sometimes clashing just enough to make every bite sing.

From Salon Sep. 16, 2025

“We see that all children are on an equal footing, and that’s why we make an inclusive class or school by harmonizing with the hearing pupils,” said Papa Amadou, one assistant.

From Seattle Times Apr. 9, 2024

Otto and TimeStar said together, harmonizing once more.

From "The Last Last-Day-of-Summer" by Lamar Giles

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