Wiktionary
sludgelike
a. Resembling sludge.
Usage examples of "sludgelike".
Another goblet and carafe, this time filled with some thick, purple-gold, sludgelike liquid was placed before the Commander, and Sir George managed not to blink in surprise.
She heaved at the sludgelike Air, feeling it curdle within her capillaries, and longed for the open space of the Mantle beneath the roof-forest, for clean, fresh, thick Air.