1. removing the classified or secret status from (a document or information)
Usage: present participle of declassify; often used in government and military contexts

Examples

• The government is declassifying documents from the 1960s.
• They are declassifying military records after fifty years.
• The agency spent months declassifying the intelligence reports.
• Historians welcomed the news about declassifying the wartime files.
• The process of declassifying sensitive information takes careful review.
• Officials are declassifying portions of the investigation report.