ingravescent definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
Now Rare becoming more and more severe, as a disease
Origin: Classical Latin ingravescens, present participle of ingravescere, to become heavier, grow worse ; from in-, in- plush gravis, heavy, severe, grave
ingravescent - Medical Definition
Becoming increasingly severe.