Founderous is a 10 letter English word.
You can make 396 anagrams from letters in founderous (defnoorsuu).
First recorded in 1760-70; founder2 + -ous
I have travelled through the negotiation,—and a sad, founderous road it is.
The road rose steeply; it was loose and founderous from heavy rain; great stones lay about, dangerous traps for a careless rider.