harmonize

American

[hahr-muh-nahyz] / ˈhɑr məˌnaɪz /

especially British, harmonise

verb (used with object)

harmonized, harmonizing

to bring into harmony, accord, or agreement.

to harmonize one's views with the new situation.

Synonyms:

compose, reconcile
Music. to accompany with appropriate harmony.

verb (used without object)

harmonized, harmonizing

to be in agreement in action, sense, or feeling.

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

Synonyms:

accord, agree
to sing in harmony.

harmonize British

/ ˈhɑːməˌnaɪz /

verb

to make or become harmonious
(tr) music to provide a harmony for (a melody, tune, etc)
(intr) to sing in harmony, as with other singers
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

Other Word Forms

harmonizable adjective
harmonization noun
harmonizer noun
reharmonize verb (used with object)
unharmonize verb (used with object)

Etymology

Origin of harmonize

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

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.

Securities and Exchange Commission Chairman Paul Atkins in a presentation mostly aimed at showing that the agencies would harmonize their rules to promote cryptocurrency innovation and rationalize margin collateral requirements in securities markets.

From Barron's • Jan. 31, 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

“She said, ‘Well, how can we harmonize if you keep changing the melody?’

From Los Angeles Times • Nov. 20, 2025

Tony Xu, DoorDash’s chief executive, said during the company’s earnings call on Wednesday that the planned investments would help harmonize its tech infrastructure, after bringing those other delivery platforms under its wing.

From MarketWatch • Nov. 6, 2025

When we strive to apply tree-thinking as we write, we may furrow our brows and consciously force the parts to harmonize with the whole.

From "The Sense of Style" by Steven Pinker

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023