Longman Dictionary of Contemporary English homepage

Date: 1400-1500
Language: Anglo-French

garbage

 noun
     
Related topics: Household
gar‧bage S3 [uncountable]
1 especially American EnglishDH waste material, such as paper, empty containers, and food thrown away [= rubbish British English]
Can you take out the garbage when you go?
2 stupid words, ideas etc [= rubbish British English]
You're talking garbage.
3TD

garbage in, garbage out

used to say that if the data (=information) you put into a computer is bad, the results you get back will be bad, even if the computer program you use works properly
Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.

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