founderous

[foun-der-uh s]

adjective

Origin of founderous

First recorded in 1760–70; founder² + -ous

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

I have travelled through the negotiation,—and a sad, founderous road it is.
The Works of the Right Honourable Edmund Burke, Vol. V. (of 12)
Edmund Burke
The road rose steeply; it was loose and founderous from heavy rain; great stones lay about, dangerous traps for a careless rider.
Sophy of Kravonia
Anthony Hope