The area near the river is the marshiest in the entire region.

The ground near the river is marshier than the rest of the area.

She is a Marshall Islander.

The soldiers were marshaled for battle.

He is marshaling his troops for battle.

Marshaling is the process of organizing and arranging troops or vehicles for a military operation.

He walked marshily through the wetland.

The marshbucks grazed peacefully in the wetlands.

The marshbuck is a type of antelope found in wetland areas.

The marshiness of the area made it difficult to walk through.