trash /tr{S/ noun [U] 1 INFORMAL something that is worthless and of low quality: I can't believe that someone of his intelligence can read such trash! There's only trash on the television tonight. 2 US FOR rubbish: The trash really stinks - why don't you take it out? trash /tr{S/ group noun [U] US INFORMAL an insulting way of referring to a group of people you consider worthless: We don't have anything to do with the people in the apartment below us - they're trash. talk trash 1 INFORMAL to say things that do not have a lot of meaning: There are too many radio shows featuring idiots who call in and talk trash all day. 2 US INFORMAL to criticize other people, especially unfairly or cruelly trash /tr{S/ verb [T] INFORMAL 1 to throw away, destroy or severely damage something: I simply trash that sort of mail. The guys got angry and trashed the bar. 2 to criticize something or someone