Wiktionary
vb. (context transitive idiomatic English) to discard
WordNet
Usage examples of "cast aside".
I served faithfully as biscop in the north before I was myself betrayed and cast aside.
More, they dismounted and began to do the same, pride cast aside and prudence taking charge at this hazardous edge of night.
You should know that I, loyal wife of Eleusis, was cast aside because I could not provide him with that which he desired most: a son, an heir.
And there was Brown Limper-wise, tolerant, understanding, and brilliant- overlooked and even scorned and cast aside.
It was very, very old and some bits of the original man-equipment that had been cast aside were very much older.
Flung to one side, the wrinkled layer of skin was frozen to the floor like a dirty shirt cast aside.