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English definition of “weed”

weed

noun uk   /wiːd/ us  

weed noun (PLANT)

C2 [C] any wild plant that grows in an unwanted place, especially in a garden or field where it prevents the cultivated plants from growing freely [U] slang → cannabis [U] UK old-fashioned informal → tobacco

weed noun (PERSON)

[C] UK informal disapproving someone who is thin and physically weak or who is weak in character: He looks like a real weed in those shorts.

weed

verb [I or T] uk   /wiːd/ us  
to remove wild plants from a place where they are not wanted: I've been weeding (the vegetable garden).
weeding
noun [U] uk   /ˈwiː.dɪŋ/ us  
There's plenty of weeding to do now that the growing season's started.
Phrasal verbs
(Definition of weed from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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