Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun quag
1 sense of quag
Sense 1
mire, quagmire, quag, morass, slack -- (a soft wet area of low-lying land that sinks underfoot)
=> bog, peat bog -- (wet spongy ground of decomposing vegetation; has poorer drainage than a swamp; soil is unfit for cultivation but can be cut and dried and used for fuel)