Wiktionary
a. That can be discarded.
Usage examples of "discardable".
What I had was a cell cut from Devrie's fingertip or someplace, something discardable, and she doesn't even know what I look like.
Weren't you a little bit insulted at being called the mother of a discardable cell from Devrie's fingertip?
Then, on special occasions, she had customarily donned an easily discardable wool dress and a fine diaphanous undergown of rose-colored Mallorean silk that clung to her as she danced.
Since all items of food were sterilely packed in containers which served as discardable cooking units, her duties vis-a-vis breakfast consisted of nothing more than choosing the menu, placing the items on the table, and removing the residue thereafter.
Labor calls me a traitor for joining Begin, and for him I'm just a discardable outsider.
They will use up all our early models, our discardable stuff, killing Germans for us.