quag

"The hikers struggled to cross the quag without sinking into the mud."

"The wildlife thrives in the quag due to the abundant water."

"After heavy rains, the fields turned into a quag, making them impassable."

"The heavy rains quag the fields, turning them into a muddy mess."

"As the season progressed, the ground began to quag, hindering growth."

"The storm might quag the area, surrounding the campsite with water."