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Synonyms

declassify

American  
[dee-klas-uh-fahy] / diˈklæs əˌfaɪ /

verb (used with object)

declassifies, present (3rd person singular) declassified, past participle, past declassifying present participle
  1. to remove the classification from (information, a document, etc.) that restricts access in terms of secrecy, confidentiality, etc.


declassify British  
/ diːˈklæsɪˌfaɪ /

verb

  1. (tr) to release (a document or information) from the security list

"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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Conjugated Forms

Present

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Etymology

Origin of declassify

First recorded in 1860–65; de- + classify

Vocabulary lists containing declassify

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:

Wilson wants the board to declassify immediately so all directors are elected annually.

From Barron's Feb. 27, 2026

Wilson has also submitted a proposal that calls for the board to immediately declassify, so that all directors are elected annually by shareholders.

From MarketWatch Dec. 29, 2025

Donald Trump said he would order his administration to declassify secret government records related to the 1937 disappearance of the US aviation pioneer Amelia Earhart.

From BBC Sep. 27, 2025

President Donald Trump signed an executive order on Thursday which he says would declassify federal records surrounding the assassinations of John F. Kennedy, Robert F. Kennedy, and Dr. Martin Luther King, Jr.

From Salon Jan. 24, 2025

Look, you know how long it takes to declassify stuff.

From The Flying Saucers are Real by Keyhoe, Donald E. (Donald Edward)

The panel also used its ruling to offer a public primer on how the government classifies and declassifies government secrets, and why that process is important.

From Washington Post Sep. 21, 2022

Britain rarely declassifies intelligence in this manner, unlike the United States, though it has done so before on issues involving Russia.

From New York Times Jan. 23, 2022

Family members of the victims of the 11 September 2001 terror attacks have called on President Joe Biden to stay away from memorial events unless he declassifies files about the attacks.

From BBC Aug. 6, 2021

But this time around, it’s not about the declassified information, or even the aliens themselves; it’s about our collective reaction to a global reckoning.

From Salon Jun. 13, 2026

“When the Iceworm documents were declassified in 1996, they caused tension and unease because they suggested the U.S. had explored major military plans in Greenland without informing Denmark,” Nielsen said.

From Los Angeles Times Feb. 6, 2026

Drawing on recently declassified information, DiNanno hardened those allegations and offered some new details.

From The Wall Street Journal Feb. 6, 2026

The changes are made starkly clear in comparisons by conservation start-up The TreeMap's Nusantara Atlas project, which paired declassified Cold War-era US spy images of the island with recent satellite photos.

From Barron's Oct. 20, 2025

It’s on top of the declassified math exam.

From "Saints and Misfits" by S.K. Ali

Wilson proposed declassifying the board for annual elections and a Brand Product Committee, the latter of which was rejected.

From Barron's Feb. 27, 2026

For these reasons, experts who spoke to Salon said they support Schumer’s call for declassifying UFO documents, although they urged the public to temper their expectations.

From Salon Jan. 25, 2025

"They keep declassifying things and more seems to bubble up. It's remarkable."

From BBC Feb. 5, 2024

The request comes as lawmakers in the upper and lower chambers warm to the idea of declassifying government documents related to unidentified anomalous phenomenon, or UAPs, more commonly called UFOs.

From Washington Times Aug. 1, 2023

The U.S. has said it was working on declassifying surveillance footage from the drone that would show Tuesday’s crash.

From Seattle Times Mar. 15, 2023

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