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nox·ious

 adjective \ˈnäk-shəs\

Definition of NOXIOUS

1

a : physically harmful or destructive to living beings <noxiouswaste>

b : constituting a harmful influence on mind or behavior;especially : morally corrupting <noxious doctrines>

2

: disagreeable, obnoxious

— nox·ious·ly adverb

— nox·ious·ness noun

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Examples of NOXIOUS

1. <mixing bleach and ammonia can cause noxious fumes that can seriously harm you>
2. <noxious smog that for years has been encrusting the historic cathedral with soot>

Origin of NOXIOUS

Middle English noxius, from Latin, from noxa harm; akin to Latin nocēre to harm, nec-, nex violent death, Greek nekrosdead body

First Known Use: 15th century

Related to NOXIOUS

Synonyms

insalubrious, noisome, unhealthy, sickly, unhealthful,unwholesome

Antonyms

healthful, healthy

Related Words

germy, insanitary, unhygienic, unsanitary; nonnutritious;poisonous, toxic; fatal, lethal, mortal

Near Antonyms

hygienic, sanitary; nutritious

more

See Synonym Discussion at pernicious

Other Ecology Terms

Malthusian, anthropogenic, biomass, carbon footprint,crepuscular, niche, sere, symbiosis, taiga, tundra

nox·ious

 adjective \ˈnäk-shəs\   (Medical Dictionary)

Medical Definition of NOXIOUS

: physically harmful or destructive to living beings <noxiouswastes>

Learn More About NOXIOUS

Thesaurus: All synonyms and antonyms for "noxious"

Spanish-English Dictionary: Translation of "noxious"

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