Wiktionary
sewerlike
a. Resembling a sewer (drainage pipe) or some aspect of one.
Usage examples of "sewerlike".
The sewerlike corridor was still empty, but there was an insistent drumming sound, the noise of voices and footsteps.
I wondered how many times, under the soil of Tharna, such a chamber had been flooded, how many chained wretches had been drowned in such dismal, sewerlike traps.