Definition of marshiness in US English:

marshiness

noun

  • See marshy

    • ‘The lots clearly stop where the marshiness begins, and the road paths seem to be motivated by topography rather than external geometry.’
    • ‘The tundras are also treeless owing to their marshiness and unfavourable climatic conditions.’
    • ‘From what it sounded like, the trees fell, and over several summers sank into the mushy tundra marshiness.’
    • ‘Various features including circular and curvilear features on ground that is level with tendency to marshiness.’
    • ‘Because of its marshiness and flat topography, Savannah is prone to flooding.’

Pronunciation

marshiness

/ˈmärSHēnis/