(Of a watercourse) not able to be forded.
More example sentences
- In order to get somewhere, we have to hack through thick brush without a machete, ford unfordable rivers, contend with bears and other wild creatures including the ever present, ever vicious mosquitoes.
- It was a jagged wasteland of ovenlike heat, frantic mosquitoes, and unfordable, unsanitary rivers, with a local population that had a history of wiping out exploration parties.
- There were several narrow defiles and one unfordable mountain stream along the road.