Definition of "unclassified" []

• Not placed or included in a class or category: unclassified mail. (adjective)
• Of, relating to, or being official matter not requiring the application of security safeguards: unclassified defense documentation. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Mascheroni believes the FBI is investigating after he gave a CD containing what he called unclassified information to a man claiming to represent Venezuela."
• "A call to either of their offices or a few hours on the internet to obtain unclassified data on the threat of EMP, be it military or solar storm, will leave even the most critical of observers concerned about this issue."
• "Even more species remain unclassified, these numbers are upwards of 15 and include some new reptiles."