Definition of declassify in English:

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Pronunciation: /diːˈklasɪfʌɪ/

verb (declassifies, declassifying, declassified)

[with object]
1Officially declare (information or documents) to be no longer secret: government documents were declassified
More example sentences
  • The U.S. State Department has just declassified government documents from the mid 1960s.
  • It could be a while before the government declassifies information about its ‘secret ‘underground bases there.
  • The CIA refuses to declassify the documents involved.
2Reassign to a lower classification: she called for vigorous research before any moves are made to declassify the drug in Ireland
More example sentences
  • First of all, within two weeks I'll tell you whether I declassify the technology.
  • The Police Foundation Report by the redoubtable Lady Runciman provided the intellectual credibility for declassifying cannabis.
  • The US Fish and Wildlife Service will decide next month whether to declassify the bald eagle as a threatened species.



Pronunciation: /ˌdiːklasɪfɪˈkeɪʃ(ə)n/
Example sentences
  • But the breathtaking extent of his mendacity has only just become fully apparent, with the declassification of a secret State Department telegram.
  • The order amends the previous administration's less restrictive order, which required automatic declassification of most government documents after twenty-five years.
  • At the same time, the agency reported, the declassification of government records declined from 100 million pages in 2001 to just 28 million in 2004.
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