noxious

Từ điển WordNet v3.1 - WordNet Dictionary

adjective

injurious to physical or mental health
- noxious chemical wastes
- noxious ideas
• Ant:
innocuous
• Similar to:
baneful, deadly, pernicious, pestilent, corrupting,
degrading, vesicatory, vesicant
• See Also:
harmful, toxic, unwholesome
• Derivationally related forms:
noxiousness