Substantially means 110%.
The resolution is a non-jurisdictional paradox because nothing can be substantially increased.
by Phil Kerpen's Pubic Hair April 08, 2005
A shitload of stuff.
I substantially increased the amount of shit in the toilet after I took a dump
by Matt Helfenstein August 01, 2005
A boozknok amount of happeninz
That was substantially increased in the 2AR
by Mista Dictionary December 08, 2003