Definitions for quagmireˈkwægˌmaɪər, ˈkwɒg-
Random House Webster's College Dictionary
an area of miry or boggy ground whose surface yields under the tread; a bog.
a situation from which extrication is very difficult.
Origin of quagmire:
mire, quagmire, quag, morass, slack(noun)
a soft wet area of low-lying land that sinks underfoot
A swampy, soggy area of ground.
That quagmire regularly 'swallows' caught-up hikers' boots
A perilous, mixed up and troubled situation; a hopeless tangle; a predicament.
soft, wet, miry land, which shakes or yields under the feet