adjective, sludg·i·er, sludg·i·est.
Examples from the Web for sludgy
The song is a sludgy, hard-rocking tune with a video that will give you a nostalgia trip.From Katy Perry to Alice in Chains, the Best Music Videos of the Week|Victoria Kezra|September 7, 2013|DAILY BEAST
Eddore was and is large and dense; its liquid a poisonous, sludgy syrup; its atmosphere a foul and corrosive fog.Triplanetary|Edward Elmer Smith
This village had half a mile of ooze and sludgy marsh in front of it, and a stockade as usual.
Our harbor-ice is weak and covered a foot deep with a sludgy compound of snow and water.In the Arctic Seas|Francis Leopold McClintock
My exasperation with self was by no means allayed when I tripped over a stone and fell my length in a sludgy patch of swamp.Yorkshire Oddities, Incidents and Strange Events|S. Baring-Gould
One of the pleasures of being "on the road to Mandalay" was to see the-- "Elephints a-pilin' teak In the sludgy, squdgy creek"Where Half The World Is Waking Up|Clarence Poe