Simple past tense and past participle of junk.(verb)
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Use "junked" in a sentence
"Locker forecasts that demand a decade from now will have absorbed much of the so-called obsolete scrap; that is, the junked steel products yet to be processed."
"You had to do them, had to sell them, which kind of junked the brand."
"In the memo, written last autumn but leaked to a newspaper in early August, Blair criticizes the "hubris and vacuity" of the Labour conference, and complains that Brown "junked" the Blair "policy agenda but had nothing to put in its place.""