Meaning of noxious

nox•ious

Pronunciation: (nok'shus), [key]
— adj.
  1. harmful or injurious to health or physical well-being: noxious fumes.
  2. morally harmful; corrupting; pernicious: a noxious plan to spread dissension.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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