Definition of declassification in US English:



  • See declassify

    • ‘The declassification of these documents started with Executive Order No. 11652 signed by President Richard Nixon in 1972.’
    • ‘But for seven months, the joint inquiry has been engaged in trench warfare with the Administration over the declassification of this report.’
    • ‘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.’
    • ‘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.’