1. a soft, wet area of land that gives way underfoot; a bog or marsh

Examples

• The hiker’s boot sank into the quag.
• We had to find a way around the quag to reach the other side.
• The old trail led through a dangerous quag.
• Cattle avoided the quag near the stream.
• After the heavy rains, the field became a muddy quag.
• The explorers marked the quag on their map as impassable.