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Definition of weed noun from the Oxford Advanced Learner's Dictionary

weed

noun
 
/wiːd/
 
/wiːd/
Idioms
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  1. [countable] a wild plant growing where it is not wanted, especially among crops or garden plants
    • The yard was overgrown with weeds.
    • Routine maintenance of the garden consists of keeping weeds under control.
    • There were weeds pushing up through the gravel.
    Topics Plants and treesc1, Gardensc1
    Oxford Collocations Dictionaryadjective
    • annual
    • perennial
    • aquatic
    verb + weed
    • kill
    • clear
    • get rid of
    weed + verb
    • grow
    • spread
    • spring up
    weed + noun
    • control
    • killer
    • trimmer
    See full entry
  2. [uncountable] any wild plant without flowers that grows in water and forms a green floating massTopics Plants and treesc1
  3. the weed
    [singular] (humorous) tobacco or cigarettes
    • I wish I could give up the weed (= stop smoking).
    Topics Social issuesc2
  4. [uncountable] (informal) the drug cannabisTopics Social issuesc2
  5. [countable] (British English, informal, disapproving) a person with a weak character or body
    • Don’t be such a weed!
  6. Word OriginOld English wēod (noun), wēodian (verb), of unknown origin; related to Dutch wieden (verb).
Idioms
in the weeds (North American English, informal)
  1. with more problems, work or commitments than you can manage
    • The bartender was alone and in the weeds, so we had to wait twenty minutes to order.
  2. too concerned with the details of something
    • I don't want to get too deep in the weeds here, but here's the short version:…
See weed in the Oxford Advanced American Dictionary
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