Simple past tense and past participle of prepackage.(verb)
That has been packaged prior to being sold(adjective)
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Use "prepackaged" in a sentence
"KING: And, Ali, you hear this term prepackaged bankruptcy, that GM has been working on this, along with the administration's auto task force."
"After deciding to try to eliminate the additives and chemical preservatives in prepackaged foods from our meals, I turned back to the simple, economical recipes that my mother used."
"If GM and Chrysler pursue the administration's bankruptcy plan, as most of the two auto makers 'insiders now expect, the process most likely wouldn't involve what is often called a prepackaged bankruptcy."