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Definition of noxious
1a : physically harmful or destructive to living beings noxious waste noxious fumesb : constituting a harmful influence on mind or behavior; especially : morally corrupting noxious doctrines
2 : disagreeable, obnoxious this noxious political scandal — H. L. Ickes
noxiously
adverbnoxiousness
nounExplore M-W
Examples of noxious in a Sentence
mixing bleach and ammonia can cause noxious fumes that can seriously harm you
noxious smog that for years has been encrusting the historic cathedral with soot
Recent Examples of noxious from the Web
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The appeals panel reversed a U.S. District Court decision that had dismissed the ranchers' claims of noxious odors and lower property values as speculative.
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In the end, Kelly and Lack rallied strongly to produce a program that seemed far less noxious than the preview—or Kelly’s friendly snapshot with Jones—suggested.
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Toilets were scrubbed with noxious blue granules — and fortitude.
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But a certain type of weevil is helping to restore Lake Bistineau, a Northwest Louisiana waterbody that has been devastated by the proliferation of giant salvinia, a noxious, exotic weed that has no natural checks in Louisiana.
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The casual violation of laws concerning classified material and noxious influence peddling show the Clinton State Department was ‘
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Meanwhile, the South Sea sponges continue to fabricate the noxious compounds.
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Its limited effect on life span — an extension of a few months — suggests that excess glutamate is hardly the only noxious factor involved in the disease.
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After an 8-year battle, Pfeifer died of terminal cancer, caused by the noxious cloud that hung over the disaster site.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'noxious'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of noxious
Middle English noxius, from Latin, from noxa harm; akin to Latin nocēre to harm, nec-, nex violent death, Greek nekros dead body
Synonym Discussion of noxious
Other Ecology Terms
NOXIOUS Defined for English Language Learners
noxious
playDefinition of noxious for English Language Learners
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: harmful to living things
NOXIOUS Defined for Kids
noxious
playDefinition of noxious for Students
: causing harm noxious fumes
Medical Dictionary
noxious
playMedical Definition of noxious
: physically harmful or destructive to living beings noxious wastes
Learn More about noxious
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Thesaurus: All synonyms and antonyms for noxious Spanish Central: Translation of noxious Nglish: Translation of noxious for Spanish speakers Britannica English: Translation of noxious for Arabic speakers
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