1 definition by seven8521

Top Definition
These are the things that you know you don't know. Coined by Donlad Rumsfeld, former US Secretary of Defense.
Boss: Are you saying we don't know what this project will cost?

You: Yep, it's a known unknown!
#donald rumsfled #unknown unknown #rumspeak #known #unknown
by seven8521 October 31, 2009
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×