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English definition of “trash”

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trash

noun [U] uk   /træʃ/ us  

trash noun [U] (THINGS)

C2 informal something that is of low quality: I can't believe that someone of his intelligence can read such trash! There's only trash on the television tonight.B1 US ( also garbage, UK rubbish) waste material or things that are no longer wanted or needed: The trash really stinks - why don't you take it out?
More examples

trash noun [U] (PEOPLE)

[+ sing/pl verb] US informal an insulting way of referring to a group of people that you have no respect for: We don't have anything to do with the people in the apartment below us - they're trash.
Idioms

trash

verb [T] uk   /træʃ/ informal us  

trash verb [T] (THROW AWAY)

to throw something away: I simply trash that sort of mail.

trash verb [T] (DAMAGE)

to destroy or severely damage something: The guys got angry and trashed the bar.

trash verb [T] (CRITICIZE)

to criticize something or someone severely: The boss completely trashed her work, in front of everyone.
(Definition of trash from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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