From Longman Dictionary of Contemporary Englishcast somebody/something ↔ aside phrasal verb literaryGET RID OFto remove or get rid of someone or something because you no longer want or need them When Henry became king, he cast aside all his former friends.cast aside your inhibitions/doubts etc Cast aside your fears. → cast→ See Verb table
Examples from the Corpus
cast aside• Consequently, company after company has tried it and cast it aside.• His superiors had cast him aside.• Participants will be helped to identify their own angry inner bums, and cast those barriers aside.• It was time for Hawick's action-man to cast his jacket aside, and pull on his V-neck.• How could she now cast her aside as though it had meant nothing, a phase she had gone through?• Before my father died I cast it all aside, lived as I imagined I wanted to live.• Then Hector stripped his armor from him and casting his own aside, put it on.• Ripping off her Englishness and casting it aside was as easy as unfastening the collar of her dress. 