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noxious

nox·ious

noxious

 
 
pronunciation:
nak shs
part of speech: adjective
definition 1: harmful, dangerous, or destructive, esp. to health.
Noxious chemicals spewed from the smokestack for years.
synonyms:
deleterious, harmful, lethal, noisome, pernicious, poisonous, toxic, unwholesome, virulent
antonyms:
harmless, innocuous, wholesome
similar words:
bad, baneful, deadly, destructive, detrimental, evil, hurtful, injurious, insalubrious, malignant, mephitic, pestilential, poison, unhealthy
definition 2: harmful to the mind or moral character; corrupting.
She feared that this strange, rough boy would have a noxious influence on her son.
synonyms:
corrupting, pestiferous, unhealthy, unwholesome
antonyms:
wholesome
similar words:
bad, evil, harmful, malignant, pestilent, poison, ruinous
derivation: noxiously (adv.)