- The definition of a quag is a shortened version of quagmire, with means a bog or wet area covered in rotting plants.
An example of a quag is a marsh in the English countryside.
A quag in Dartmoor.
quag 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.
Rare a bog or marsh
Origin: ; from uncertain or unknown; perhaps
quag definition by American Heritage Dictionary
Origin: Perhaps variant of Middle English quabbe, from Old English *cwabba.