1. accompanied by much bloodshed or carnage
2. flowing with blood; bloodstained
3. eager for bloodshed; bloodthirsty
Webster’s New World College Dictionary, Fourth Edition, compiled by the
editors of Webster’s New World Dictionaries. Copyright © 2010 by Houghton
Mifflin Harcourt. Published by Houghton Mifflin Harcourt. All rights reserved.
Word origin of 'sanguinary'L sanguinarius < sanguis, blood