Definition of noxious weed in English:

noxious weed

Syllabification: nox·ious weed

noun

A plant considered harmful to animals or the environment.
More example sentences
  • Do not compost meat scraps, dead animals, pet manure, diseased plant material, or noxious weeds.
  • A project that removes noxious weeds, re-plants vegetation and stops soil erosion in an ecologically sensitive area of Alberta is going ahead for the second year.
  • ‘This perennial garden plant has become a noxious weed and is spreading rapidly throughout North America,’ says Farr.

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Pronunciation: ˈflipənt
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not showing a serious or respectful attitude