QUAGMIRE
mire, quagmire, quag, morass, slack
(noun) a soft wet area of low-lying land that sinks underfoot
Source: WordNet® 3.1
Etymology
Noun
quagmire (plural quagmires)
A swampy, soggy area of ground.
Synonyms: marsh, marshland, mire, quag
(figuratively) A perilous, mixed up and troubled situation; a hopeless tangle; a predicament.
Verb
quagmire (third-person singular simple present quagmires, present participle quagmiring, simple past and past participle quagmired)
(transitive) To embroil (a person, etc.) in complexity or difficulty.
Source: Wiktionary
Quag"mire`, n. Etym: [Quake + mire.]
Definition: Soft, wet, miry land, which shakes or yields under the feet. "A
spot surrounded by quagmires, which rendered it difficult of access."
Palfrey.
Syn.
– Morass; marsh; bog; swamp; fen; slough.
Source: Webster’s Unabridged Dictionary 1913 Edition