Manual scavenging was banned in 1993 by a law that also forbade the unplumbed toilets that necessitate it.
From the economist.com
Csaky outfitted the treehouse with a tent, wood stove, three chairs, shelves and a counter with an unplumbed sink.
From the newsobserver.com
They felt inexhaustible, unplumbed country.
From the denverpost.com
The Internet, which pushes the cost of spreading the word down near zero, could carry this atomizing trend to unplumbed depths.
From the time.com
Polanski has a carbolic wit and discovers unplumbed depths of amusement in emotional deformity, physical abuse and psychic shock waves.
From the time.com
Well, Ed, what an unplumbed depth of imagination must be yours, to believe that all matter in our universe grew out of nothingness, very gradually.
From the ocregister.com
The narrative has an annoying long-windedness, like that of so many people you get stuck listening to who can't leave an unnecessary detail unplumbed.
From the post-gazette.com
The silver lining is that companies'and other investors'desire to sit on cash is driving down the US government's cost of borrowing to chthonic depths unplumbed by exchequers of yore.
From the economist.com
Supporting the suggestion that Hong Kong has unplumbed depths waiting for representation honours, only two players ranked in the Top 20 are in the national squad.
From the theepochtimes.com
More examples
Profound: situated at or extending to great depth; too deep to have been sounded or plumbed; "the profound depths of the sea"; "the dark unfathomed caves of ocean"-Thomas Gray; "unplumbed depths of the sea"; "remote and unsounded caverns"