1. In fact or to all purposes; practically: The city was virtually paralyzed by the transit strike.
2. Almost but not quite; nearly: "Virtually everyone gets a headache now and then" (People).

The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.