Definition of junk noun from the Oxford Advanced American Dictionary

     

    junk

     noun
    noun
    NAmE//dʒʌŋk//
     
     
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  1. 1 [uncountable] things that are considered useless or of little value synonym garbage I've cleared out all that old junk in the attic. There's nothing but junk on TV. Thesaurusthingsstuff property possessions junk belongings goods valuablesThese are all words for objects or items, especially ones that you own or have with you at a particular time.things (somewhat informal) objects, clothing, or tools that you own or that are used for a particular purpose:Can I help you pack your things? This box is full of camping things.stuff (informal) used to refer to a group of objects when you do not know their names, when the names are not important, or when it is obvious what you are talking about:Where's all my stuff? Don't forget your swimming stuff.things or stuff?These words are similar and often you can use either. Use things when the items might be used individually as tools (sewing thingsgardening things). Use stuff to refer to all the equipment necessary for one particular activity or project.property (somewhat formal) a thing or things that are owned by someone:This building is government property. Be careful not to damage other people's property.possessions things that you own, especially something that can be moved:Prisoners were allowed no personal possessions except letters and photographs.junk things that are considered useless or of little value:I've cleared out all that old junk from the attic.belongings possessions that can be moved, especially ones that you have with you at a particular time:Please make sure you have all your belongings with you when leaving the plane.goods (somewhat formal or technical) possessions that can be moved:She was found guilty of trading in stolen goods.valuables things that are worth a lot of money, especially small personal things such as jewelry or cameras:Never leave cash or other valuables lying around.Patterns personal things/stuff/property/possessions/belongings to collect/gather/pack (up) your things/stuff/possessions/belongings to search somebody's/your/the things/stuff/property/belongings to go through somebody's/your/the things/stuff/belongings
  2. 2[uncountable] = junk food
  3. 3 [countable] a Chinese boat with a square sail and a flat bottom
  4. 4[uncountable] (slang) a powerful illegal drug, especially heroin
See the Oxford Advanced Learner's Dictionary entry: junk