junk
1. Discarded material, such as glass, rags, paper, or metal, that may be reused in some form.
2. Informal.a. Articles that are worn-out or fit to be discarded: broken furniture and other junk in the attic.b. Cheap or shoddy material. c. Something meaningless, fatuous, or unbelievable: nothing but junk in the annual report.
3. Slang. Heroin.
4. Hard salt beef for consumption on board a ship.
trash
1. a. Worthless or discarded material or objects; refuse or rubbish. b. Something broken off or removed to be discarded, especially plant trimmings. c. The refuse of sugar cane after extraction of the juice.
2. a. Empty words or ideas. b. Worthless or offensive literary or artistic material.
3. A person or group of people regarded as worthless or contemptible.