1611. Florio, Inguazzabile, vnwadable, vnfoordable.
1649. Jer. Taylor, Gt. Exemp., ii. § 21. When he is to pass a sudden or unfordable flood.
1732. Lediard, Sethos, II. VII. 58. Their excursions … over unfordable rivers.
1834. Pringle, Afr. Sk., 187. A very heavy rain … swells the river to an unfordable size.
1868. Rep. U.S. Commissioner Agric. (1869), 351. Many of the unfordable streams are still crossed by flat-boat ferries.
fig. a. 1641. Bp. Mountagu, Acts & Mon. (1642), 25. Many deep hidden mysteries, and unfordable.
Hence Unfordableness.
1652. Heylyn, Cosmogr., II. 193. The unfordablenesse of the River.
