uni·​fy | \ˈyü-nə-ˌfī \
unified; unifying

Definition of unify 

transitive verb

: to make into a unit or a coherent whole : unite

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Other Words from unify

unifiable \ ˈyü-​nə-​ˌfī-​ə-​bəl \ adjective
unifier \ ˈyü-​nə-​ˌfī(-​ə)r \ noun

Examples of unify in a Sentence

The creation of the national railroad system unified the country. two very different people unified by a common belief

Recent Examples on the Web

He will be faced with the difficult task of unifying Cuba’s dual currency system, modernizing its energy sector, and diversifying an $87 billion economy that contracted in 2016 for the first time since the mid-1990s, according to official figures. Ezra Fieser, Bloomberg.com, "A Cuban President Not Named Castro Will Inherit Troubled Economy," 11 Mar. 2018 The impression the North Koreans get is of a weak, unpopular leader, a divided administration, and an America completely ignorant of their drive to unify the peninsula. Isaac Chotiner, Slate Magazine, "Sympathy for North Korea," 3 Jan. 2018 Three valedictorians delivered remarks, representing the different academies — Engineering and Green Technology, Law and Government, and Nursing — that unify the school. Alison Kuznitz, courant.com, "Fighting For Dreams, Hartford Public High School Grads Step Into The Unknown," 15 June 2018 As both speaker and writer, in this and a majority of the poems in the collection, Smith reflects on how her art form can and should unify people. Adrianna Smith, The Atlantic, "What Tracy K. Smith Sees in America," 9 June 2018 In sum, the wave metaphor suggests the idea that gender activism in the history of the United States has been for the most part unified around one set of ideas, and that set of ideas can be called feminism. Constance Grady, Vox, "The waves of feminism, and why people keep fighting over them, explained," 1 June 2018 According to my colleague Jonathan Tamari, Democrats in Pennsylvania and New Jersey are unified in their opposition to Kavanaugh’s nomination. Rob Tornoe, Philly.com, "Trump nominates Brett Kavanaugh to the Supreme Court," 9 July 2018 Some Democrats, including Senator Ron Wyden of Oregon, have at times worked with Ryan on ways to fix those programs, but those efforts have failed and liberals mostly were unified against him in recent years. Erica Werner And Damian Paletta, BostonGlobe.com, "Fiscal hawk Ryan leaves behind growing deficits and a changed GOP," 11 Apr. 2018 Yet so far Mr Ortega’s actions seem to have unified it. The Economist, "Daniel Ortega is causing a bloodbath in Nicaragua," 12 July 2018

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

1502, in the meaning defined above

History and Etymology for unify

Late Latin unificare, from Latin uni- + -ficare -fy

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Statistics for unify

Last Updated

11 Nov 2018

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Time Traveler for unify

The first known use of unify was in 1502

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English Language Learners Definition of unify

: to cause (people or things) to be joined or brought together


uni·​fy | \ˈyü-nə-ˌfī \
unified; unifying

Kids Definition of unify

: to bring or come together into or as if into a single unit or group : unite The people were unified by a common belief.

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More from Merriam-Webster on unify

Thesaurus: All synonyms and antonyms for unify

Spanish Central: Translation of unify

Nglish: Translation of unify for Spanish Speakers

Britannica English: Translation of unify for Arabic Speakers

Comments on unify

What made you want to look up unify? Please tell us where you read or heard it (including the quote, if possible).


something that serves to warn or remind

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