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denaturalize

American  
[dee-nach-er-uh-lahyz] / diˈnætʃ ər əˌlaɪz /
especially British, denaturalise

verb (used with object)

denaturalized, denaturalizing
  1. to deprive of proper or true nature; make unnatural.

  2. to deprive of the rights and privileges of citizenship or of naturalization.


denaturalize British  
/ diːˈnætʃrəˌlaɪz /

verb

  1. to deprive of nationality

  2. to make unnatural

"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

Etymology

Origin of denaturalize

First recorded in 1790–1800; de- + naturalize

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:

The federal government has to meet a high burden of proof when attempting to denaturalize a citizen, plus it can only proceed by a judicial order.

From Slate Apr. 16, 2025

As attorney general, Mr. Civiletti successfully argued before the Supreme Court for the government’s right to denaturalize Nazi war criminals.

From New York Times Oct. 17, 2022

What I want to do by putting “the Internet” in quotation marks is to denaturalize some of the assumptions we make for granted—for those assumptions have consequences.

From Slate Apr. 3, 2013

Demjanjuk's legal troubles began in 1977, when the Government initiated a proceeding to denaturalize him.

From Time Mar. 22, 2012

The latter wished to denaturalize themselves, and become as though they were foreigners even on their native soil; the former remained firm and faithful to their country and to each other.

From Holland The History of the Netherlands by Grattan, Thomas Colley

Influencers and commenters piled on, asking why, if the situation was so dire, no one had been arrested, deported or denaturalized.

From Salon Dec. 29, 2025

He included in the post a letter to Attorney General Pam Bondi demanding that Mamdani be deported and potentially denaturalized.

From Slate Jul. 7, 2025

The anarchist Emma Goldman was denaturalized in 1909, and shipped to Revolutionary Russia a decade later.

From New York Times Jul. 30, 2020

Some were German citizens; others fled to Germany before they were denaturalized in the United States.

From Washington Post Dec. 16, 2017

The wretches were ashamed of their own nature, and perhaps with reason; for in their own denaturalized hearts they read only a degraded nature.

From Note Book of an English Opium-Eater by De Quincey, Thomas

You’ve said that part of what you’re doing in the class is denaturalizing what we take for granted.

From Slate May 27, 2026

The extraordinary process of denaturalizing an American citizen has occurred very rarely, with the Justice Department filing an estimated 300 civil denaturalization cases since 1990.

From Slate Jun. 11, 2018

Such is the effect of time, and communication among nations, that the mixture with an heterogenous language has not only an influence upon roots, but most frequently ends by modifying and denaturalizing grammatical forms.

From Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 2 by Humboldt, Alexander von

There could hardly be a more effective method for degrading his manhood and denaturalizing his family.

From Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 8 "Chariot" to "Chatelaine" by Various

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