Definition of: noisome

(noi′səm) adjective
1. Very offensive, particularly to the sense of smell.
2. Injurious; noxious. [<noy, aphetic var. of ANNOY + -SOME]
—noi′some·ly adverb
—noi′some·ness noun Synonyms: deadly, deleterious, destructive, detrimental, fetid, foul, harmful, hurtful, insalubrious, mischievous, noxious, pernicious, pestiferous, pestilential, poisonous, unhealthful, unwholesome. Noxious is a stronger word than noisome, as referring to that which is injurious or destructive. Noisome denotes that which is disgusting, especially to the sense of smell; as, the noisome stench of noxious gases. Antonyms: beneficial, healthful, invigorating, salubrious, salutary, wholesome.