the GNU version of the Collaborative International Dictionary of English
ad. In a vertical manner, position, or direction; perpendicularly.
The Century Dictionary and Cyclopedia
In a vertical manner, position, or direction; in a line or plane passing through the zenith; also, upward toward or downward from the zenith.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
ad. in a vertical direction
Word Usage
"Studying James can jump vertically 1 meter from his skateboard when it is at rest. when the skateboard is moving horizontally, James can jump ________vertically."