Offensive to the point of arousing disgust; foul: a noisome odor. (adjective)
Harmful or dangerous: noisome fumes. (adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "noisome" in a sentence
"Madden disappeared and presently his "noisome" snores filled the air."
"The fact clearly was that the wretched sewage of Washington, in those days, which was betrayed in all parts of the hotel by every kind of noisome odor, had at last begun to do its work."
"The floor of the cellar was a kind of noisome cesspool: one slipped on the greasy mud -- floundered about in it: for all that, this cellar was almost entirely filled with cases of all kinds, with queer-looking bundles, with objects of various shapes and sizes."